{"id":182992,"date":"2023-08-08T11:56:41","date_gmt":"2023-08-08T11:56:41","guid":{"rendered":"https:\/\/pharmeasy.in\/blog\/?p=182992"},"modified":"2026-08-28T12:02:35","modified_gmt":"2026-08-28T12:02:35","slug":"exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels","status":"publish","type":"post","link":"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/","title":{"rendered":"What Type of Cancer Causes Low\u00a0Hemoglobin\u00a0Levels?\u00a0"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><head><meta http-equiv=\"Content-Type\" content=\"text\/html; charset=utf-8\">\n<\/head><body><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6aa06929e0d9d\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6aa06929e0d9d\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Introduction\" >Introduction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Understanding_Haemoglobin_and_Its_Importance\" >Understanding Haemoglobin and Its Importance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#The_Connection_Between_Anaemia_and_Cancer\" >The Connection Between Anaemia and Cancer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Causes_of_Low_Haemoglobin\" >Causes of Low Haemoglobin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Low_Haemoglobin_and_Various_Cancer_Types\" >Low Haemoglobin and Various Cancer Types<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Diagnosing_Anaemia_and_Cancer\" >Diagnosing Anaemia and Cancer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Managing_Anaemia\" >Managing Anaemia<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Cancer_Treatment_Options\" >Cancer Treatment Options<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#How_Cancer_Treatment_Affects_Haemoglobin\" >How Cancer Treatment Affects Haemoglobin?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Living_With_Both_Low_Haemoglobin_Levels_Cancer\" >Living With Both Low Haemoglobin Levels &amp; Cancer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#When_to_See_a_Doctor\" >When to See a\u00a0Doctor?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#Frequently_Asked_Questions_FAQs\" >Frequently Asked Questions (FAQs)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/pharmeasy.in\/blog\/exploring-the-link-what-type-of-cancer-causes-low-hemoglobin-levels\/#References\" >References<\/a><\/li><\/ul><\/nav><\/div>\n    <a rel=\"nofollow\" href=\"https:\/\/pharmeasy.in\/blog\/channel-health-talk\"\n       class=\"pe-healthtalk-banner\"\n       style=\"position:relative; display:block; margin:10px; border-radius:10px; border-bottom:2px solid #117B77; overflow:hidden;\">\n        <span aria-hidden=\"true\" style=\"position:absolute; left:0; bottom:0; width:2px; height:50%; background:#10847e;\"><\/span>\n        <img alt=\"Join Health Talk by PharmEasy on WhatsApp\"\n             src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/01\/PEhealthtalk-1.png\"\n             style=\"width:100%; display:block; border-radius:10px;\">\n    <\/a>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><strong>Introduction<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A routine blood test can sometimes point to something more serious than a simple deficiency. One of the most commonly checked parameters, haemoglobin, is a good example. In some cases, low haemoglobin is an early clue that leads a doctor to look further, including for underlying conditions such as cancer. Understanding this connection can help you have a more informed conversation with your doctor and support earlier diagnosis where it\u2019s needed.\u00a0<\/p>\n\n\n\n<p>This article explains what haemoglobin is, why it matters, and how certain cancers and cancer treatments can affect haemoglobin levels. It also covers when low haemoglobin needs medical attention, how doctors investigate it, and what treatment generally involves. None of this is meant to help you diagnose yourself. Low haemoglobin has many possible causes, and only a doctor, using proper testing, can tell you which one applies to you.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_Haemoglobin_and_Its_Importance\"><\/span><strong>Understanding Haemoglobin and Its Importance<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Haemoglobin\u00a0is a\u00a0tetrameric protein composed of four globin chains, each containing a haem prosthetic group with iron (Fe\u00b2\u207a).\u00a0Its\u00a0role\u00a0is to carry oxygen from\u00a0the\u00a0lungs to every tissue in\u00a0the\u00a0body and carry carbon dioxide back\u00a0to\u00a0the lungs which is\u00a0exhaled out. Without adequate haemoglobin, your organs don\u2019t get enough oxygen to function properly<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32189307\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">1<\/a><\/sup>,\u00a0which is why persistently low levels are worth investigating rather than ignoring.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Connection_Between_Anaemia_and_Cancer\"><\/span><strong>The Connection Between Anaemia and Cancer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong><a href=\"https:\/\/pharmeasy.in\/blog\/diagnostic-classification-of-anaemia-by-cause\/\" target=\"_blank\" rel=\"noreferrer noopener\">Anaemia<\/a><\/strong> is defined as\u00a0haemoglobin concentration below the appropriate reference threshold for age, sex and physiological state.\u00a0Anaemia means you don\u2019t have enough healthy red blood cells, or enough haemoglobin in those cells, to carry oxygen effectively.\u00a0It can result from reduced RBC production, blood loss, or increased RBC destruction.\u00a0<\/p>\n\n\n\n<p>Anaemia and cancer are linked in more than one way, and it helps to understand the mechanism rather than just the association.\u00a0Some cancers, particularly those of the blood and bone marrow, directly interfere with how red blood cells are made. Others cause chronic blood loss\u00a0or renal dysfunction, which depletes the body\u2019s iron stores over time<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/33535496\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a>,<a href=\"https:\/\/www.cancer.org\/cancer\/diagnosis-staging\/signs-and-symptoms-of-cancer\/anemia.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>.\u00a0Cancer treatment itself, especially chemotherapy, can also suppress the bone marrow\u2019s ability to produce new blood cells, which is a separate cause of anaemia from the cancer itself<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38628673\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">4<\/a><\/sup>.\u00a0Other cancer treatments\u00a0like\u00a0radiotherapy, immunotherapy, targeted therapy\u00a0may also\u00a0be associated with anaemia.\u00a0<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/pharmeasy.in\/blog\/7-things-you-need-to-avoid-in-anaemia\/\" target=\"_blank\" rel=\"noreferrer noopener\">Anaemia<\/a><\/strong> is very common across many solid and haematological malignancies.\u00a0\u00a0<\/p>\n\n\n\n<p>Leukaemia, Hodgkin\u2019s lymphoma, and multiple myeloma are among the cancers\u00a0commonly\u00a0associated with low haemoglobin, largely because they originate in or affect the bone marrow, where blood cells are produced. It\u2019s worth being clear that anaemia is common and usually has a non-cancer cause. Cancer is one possibility among many, and it\u2019s the pattern of symptoms and test results, not a single low reading, that helps a doctor\u00a0narrow things\u00a0down.\u00a0\u00a0<\/p>\n\n\n\n<p><strong><em>Also Read: <a href=\"https:\/\/pharmeasy.in\/blog\/diagnostic-haemolytic-anaemia-causes-symptoms-diagnosis-treatment-more\/\" target=\"_blank\" rel=\"noreferrer noopener\">Haemolytic Anaemia: Causes, Symptoms, Diagnosis, Treatment &amp; More<\/a><\/em><\/strong><\/p><div id=\"sfa_container_182992\" class=\"sfa_container\" style=\"display:none\"><div class=\"sfa_overlay\"><\/div><button id=\"sfa_btn_182992\" class=\"sfa_btn\">Show Full Article<\/button><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Causes_of_Low_Haemoglobin\"><\/span><strong>Causes of Low Haemoglobin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Low haemoglobin doesn\u2019t automatically mean something serious is going on. A mild dip is common and often has a straightforward explanation. Women who are menstruating or pregnant, for instance, often run lower than the standard reference range, and this is typically managed with diet and, if needed, iron supplementation prescribed by a doctor after appropriate testing.\u00a0<\/p>\n\n\n\n<p>Other common, non-cancer causes include<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40330196\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">5<\/a><\/sup>:\u00a0<\/p>\n\n\n\n<ul start=\"1\">\n<li>Chronic infections, such as <strong><a href=\"https:\/\/pharmeasy.in\/blog\/tuberculosis-types-causes-treatment-and-prevention\/\" target=\"_blank\" rel=\"noreferrer noopener\">tuberculosis<\/a><\/strong>\u00a0<\/li>\n\n\n\n<li>Acute infections, such as dengue or malaria\u00a0<\/li>\n\n\n\n<li>Intestinal worm infestations\u00a0<\/li>\n\n\n\n<li>Spleen-related disorders\u00a0<\/li>\n\n\n\n<li>Genetic blood disorders\u00a0<\/li>\n\n\n\n<li>Poor absorption of dietary iron due to chronic illness\u00a0<\/li>\n\n\n\n<li>Inadequate dietary intake of iron\u00a0<\/li>\n\n\n\n<li>Significant or ongoing blood loss\u00a0<\/li>\n\n\n\n<li><a href=\"https:\/\/pharmeasy.in\/conditions\/understanding-chronic-kidney-disease\/\"><strong>Chronic kidney d<\/strong><\/a><a href=\"https:\/\/pharmeasy.in\/conditions\/understanding-chronic-kidney-disease\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ise<\/strong><\/a><a href=\"https:\/\/pharmeasy.in\/conditions\/understanding-chronic-kidney-disease\/\"><strong>ase<\/strong><\/a>\u00a0<\/li>\n\n\n\n<li>Because the list of possible causes is long, and most of them aren\u2019t cancer, a low haemoglobin reading on its own is not a diagnosis of anything. It\u2019s a starting point for further testing if your doctor thinks it\u2019s warranted.\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Low_Haemoglobin_and_Various_Cancer_Types\"><\/span><strong>Low Haemoglobin and Various Cancer Types<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The cancers below are associated with low haemoglobin through different mechanisms. This section explains those mechanisms for educational purposes. It is not a checklist for self-diagnosis, and having low haemoglobin does not mean you have any of these cancers. If your levels are low and don\u2019t have an obvious explanation, the right next step is a doctor\u2019s evaluation, not matching your symptoms against this list.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1.<\/strong> <strong><a href=\"https:\/\/pharmeasy.in\/blog\/cancer-care-blood-cancer-symptoms-causes-types-stages-treatment-options\/\" target=\"_blank\" rel=\"noreferrer noopener\">Blood and Bone Marrow Cancers<\/a><\/strong>\u00a0<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-375x250.webp\" alt=\"leukaemia blood cancer\" class=\"wp-image-278138\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-2048x1365.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/08\/leukaemia-blood-cancer-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\"><sub>Image Source: freepik.com<\/sub><\/figcaption><\/figure><\/div>\n\n\n<p>These cancers directly affect the bone marrow, where blood cells are produced. When bone marrow function is disrupted, it can produce fewer, or lower-quality, red blood cells, which leads to anaemia<sup><a href=\"https:\/\/www.cancer.org\/cancer\/diagnosis-staging\/signs-and-symptoms-of-cancer\/anemia.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.<\/strong> <strong><a href=\"https:\/\/pharmeasy.in\/blog\/cancer-care-cervical-cancer-what-is-it-symptoms-causes-treatment\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cervical Cancer<\/a><\/strong>\u00a0<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-375x250.webp\" alt=\"cancer\" class=\"wp-image-254317\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-2048x1365.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/09\/cancer-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\"><sub>Image Source: freepik.com<\/sub><\/figcaption><\/figure><\/div>\n\n\n<p>Abnormal cell growth in the cervix can cause bleeding. Over time, that blood loss can lead to iron deficiency and anaemia<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40901092\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">6<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.<\/strong> <strong><a href=\"https:\/\/pharmeasy.in\/blog\/cancer-care-bowel-cancer-colorectal-cancer-meaning-symptoms-diagnosis-treatment\/\" target=\"_blank\" rel=\"noreferrer noopener\">Colorectal Cancer<\/a><\/strong>\u00a0<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/colorectal-cancer-375x250.webp\" alt=\"colorectal cancer\" class=\"wp-image-287402\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/colorectal-cancer-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/colorectal-cancer-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/colorectal-cancer-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/colorectal-cancer-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/colorectal-cancer-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/colorectal-cancer-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/colorectal-cancer-150x100.webp 150w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/colorectal-cancer.webp 1536w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/figure><\/div>\n\n\n<p>Tumours in the colon or rectum can bleed, sometimes without obvious symptoms, and chronic blood loss of this kind is a recognised cause of anaemia in colorectal cancer patients<sup><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9380756\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">7<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. <a href=\"https:\/\/pharmeasy.in\/conditions\/kidney-cancer-symptoms-causes-treatments-more\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kidney Cancer<\/a><\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-375x250.webp\" alt=\"kidney cancer\" class=\"wp-image-287419\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-2048x1366.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/kidney-cancer-2-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/figure><\/div>\n\n\n<p>The kidneys produce a hormone called erythropoietin, which signals the bone marrow to make red blood cells. Kidney cancer can disrupt this process and lead to anaemia<sup><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC3822280\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">8<\/a><\/sup>.\u00a0Renal carcinomas can affect erythropoietin production causing\u00a0anaemia, however,\u00a0rarely, some tumors may also produce\u00a0excess erythropoietin, which raises haemoglobin instead of lowering it. Which way it goes depends on how the specific tumour behaves, which is one of many reasons this needs to be assessed by a doctor rather than inferred from a blood count alone.\u00a0\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. <a href=\"https:\/\/pharmeasy.in\/blog\/cancer-care-prostate-cancer-causes-early-signs-treatment-options-how-to-lower-your-risk\/\" target=\"_blank\" rel=\"noreferrer noopener\">Prostate Cancer<\/a><\/strong>\u00a0\u00a0<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-375x250.webp\" alt=\"prostate cancer\" class=\"wp-image-280131\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-2048x1365.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/10\/prostate-cancer-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\"><sub>Image Source: freepik.com<\/sub><\/figcaption><\/figure><\/div>\n\n\n<p>Prostate cancer can cause bleeding that leads to anaemia. If it spreads to the bones, it can also interfere with red blood cell production directly<sup><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC1472681\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">9<\/a><\/sup>.\u00a0\u00a0However, prostate cancer is\u00a0not typically a major cause of chronic blood-loss anaemia. Anaemia in advanced prostate cancer is more commonly multifactorial, including\u00a0chronic inflammation, advanced disease, marrow infiltration, renal dysfunction, treatment effects, and nutritional factors.\u00a0<\/p>\n\n\n\n<p>Cancer and its treatment are common causes of inflammation-related anaemia, which lowers red blood cell counts and haemoglobin. On the other end, kidney cancer, liver cancer, and polycythemia vera, a rare blood cancer, can sometimes raise haemoglobin levels instead. Both unusually low and unusually high results on a complete blood count are worth discussing with a doctor.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Diagnosing_Anaemia_and_Cancer\"><\/span><strong>Diagnosing Anaemia and Cancer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The starting point for diagnosing either anaemia or cancer is a medical consultation, usually including a blood test such as a <a href=\"https:\/\/pharmeasy.in\/diagnostics\/profile\/complete-blood-count-cbc-408\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>complete blood cou<\/strong><\/a><a href=\"https:\/\/pharmeasy.in\/diagnostics\/profile\/complete-blood-count-cbc-408\"><strong>nt<\/strong><\/a>. Depending on what that shows, your doctor may order further tests, imaging, or a referral to a specialist. There\u2019s no shortcut to this process, and no combination of symptoms or online information should substitute for it.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Managing_Anaemia\"><\/span><strong>Managing Anaemia<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>If a doctor identifies anaemia, treatment depends entirely on the underlying cause, which is why self-treating with supplements bought on your own isn\u2019t recommended, particularly if cancer is a possibility your doctor is investigating. A haematologist or your\u00a0physician may prescribe iron, folic acid, or vitamin B12, depending on what blood tests show is actually deficient. In more severe cases, a blood transfusion may be necessary<sup><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4836595\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">10<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<ul>\n<li><strong>Addressing the underlying cause:<\/strong> If anaemia is due to bleeding, your doctor may need to identify and\u00a0address\u00a0the source, which can sometimes involve a surgical procedure.\u00a0<\/li>\n\n\n\n<li><strong>Medication, only as prescribed:<\/strong>\u00a0Iron, vitamin B12, or folate supplementation is only useful if a deficiency in that specific nutrient has actually been confirmed by testing. Taking iron supplements without a confirmed deficiency isn\u2019t harmless, and it\u2019s not a substitute for finding out why your haemoglobin is low.\u00a0<\/li>\n\n\n\n<li><strong>Blood transfusions:<\/strong>\u00a0In cases of severe anaemia or significant blood loss, whether from injury, surgery, or an underlying condition, a transfusion may be recommended by your treating doctor.\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cancer_Treatment_Options\"><\/span><strong>Cancer Treatment Options<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>If cancer is suspected, your primary doctor will typically refer you to an oncologist or a specialist cancer centre. Treatment approaches vary widely depending on the type, stage, and location of the cancer, and often combine more than one of the following<sup><a href=\"https:\/\/www.nature.com\/articles\/s41392-024-01856-7\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">11<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1.<\/strong> <strong>Surgery<\/strong>\u00a0<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-375x250.webp\" alt=\"surgery\" class=\"wp-image-287404\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-2048x1365.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Surgery-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\"><sub>Image Source: freepik.com<\/sub><\/figcaption><\/figure><\/div>\n\n\n<p>Surgery is used to remove tumours or affected tissue. Depending on the cancer, this can range from a minimally invasive procedure to a more extensive operation, and it may be curative or aimed at relieving symptoms.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.<\/strong> <strong>Chemotherapy<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-375x250.webp\" alt=\"chemotherapy\" class=\"wp-image-287406\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-1024x684.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-768x513.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-1536x1025.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-2048x1367.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-719x480.webp 719w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Chemotherapy-2-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\"><sub>Image Source: freepik.com<\/sub><\/figcaption><\/figure><\/div>\n\n\n<p>Chemotherapy uses drugs to kill or slow the growth of rapidly dividing cancer cells throughout the body, including cells that have spread beyond the original site. It\u2019s given intravenously, orally, or by injection depending on the drug and cancer type. Because chemotherapy also affects healthy fast-growing cells, including those in the bone marrow, side effects like fatigue, nausea, hair loss, and anaemia are common.\u00a0The\u00a0frequency\u00a0of these\u00a0depends heavily on the drug, dose, schedule, cancer type and patient factors.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Targeted Therapy<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-375x250.webp\" alt=\"targeted therapy\" class=\"wp-image-287407\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-2048x1365.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Targeted-therapy-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\"><sub>Image Source: freepik.com<\/sub><\/figcaption><\/figure><\/div>\n\n\n<p>These treatments are designed around the specific genetic or molecular features of a person\u2019s cancer and are usually used alongside other treatments. They work by interfering with processes the cancer cells specifically depend on to grow.\u00a0Targeted therapies may be used\u00a0alone or in combination\u00a0with chemotherapy, immunotherapy, surgery, radiotherapy or endocrine therapy, depending on the cancer and molecular alteration.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Immunotherapy<\/strong>\u00a0<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-375x250.webp\" alt=\"immunotherapy\" class=\"wp-image-287408\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-2048x1365.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Immunotherapy-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\"><sub>Image Source: freepik.com<\/sub><\/figcaption><\/figure><\/div>\n\n\n<p>Immunotherapy works by helping the body\u2019s own immune system recognise and attack cancer cells, often using checkpoint inhibitors or monoclonal antibodies to counter the ways cancer cells evade immune detection.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5.<\/strong> <strong>Radiotherapy<\/strong>\u00a0<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"250\" src=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--375x250.webp\" alt=\"radiotherapy\" class=\"wp-image-287400\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--2048x1365.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/08\/Radiotherapy--150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><figcaption class=\"wp-element-caption\"><sub>Image Source: freepik.com<\/sub><\/figcaption><\/figure><\/div>\n\n\n<p>Radiotherapy uses targeted radiation to destroy cancer cells in a specific area of the body.\u00a0<\/p>\n\n\n\n<p>Treatment should be based on the suspected cause. In some\u00a0situations,\u00a0empirical treatment may be appropriate before definitive confirmation, particularly when clinical and laboratory findings strongly suggest deficiency.\u00a0Your oncologist is the right person to determine which\u00a0of these, if any, applies to your situation, based on the type and stage of cancer and your overall health.\u00a0<\/p>\n\n\n\n<p>Abnormal haemoglobin and other values on a complete blood count often play a role\u00a0when it comes to\u00a0leading to a cancer diagnosis, particularly for blood and bone marrow cancers. Any unusually low or high blood count result should be discussed with a doctor promptly rather than monitored on your own.\u00a0\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Cancer_Treatment_Affects_Haemoglobin\"><\/span><strong>How Cancer Treatment Affects Haemoglobin?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cancer treatment, chemotherapy in particular, can itself lower haemoglobin levels. This is a separate issue from anaemia caused by the cancer itself, and it\u2019s worth understanding as a distinct effect of treatment.\u00a0<\/p>\n\n\n\n<p>Chemotherapy affects all cells that divide quickly, and that includes the blood-producing cells in bone marrow. Slower production of new red blood cells during treatment is a common and expected side effect, not a sign that treatment isn\u2019t working.\u00a0<\/p>\n\n\n\n<p>Recovery often involves your care team monitoring blood counts, adjusting diet or supplementation where a deficiency is confirmed, and using transfusions if levels drop significantly. This should be managed by your oncology team as part of your overall treatment plan, not addressed independently.\u00a0<\/p>\n\n\n\n<p>Chemotherapy-associated\u00a0anaemia\u00a0does not by itself indicate treatment failure, but worsening anaemia can sometimes reflect disease progression, bleeding, marrow involvement, treatment toxicity, or another complication. Therefore, a new or worsening haemoglobin decline still warrants assessment.\u00a0\u00a0<\/p>\n\n\n\n<p><em><strong>Note:<\/strong>\u00a0Transfusion decisions depend on\u00a0haemoglobin level plus symptoms, active bleeding, haemodynamic status, cardiovascular disease, planned treatment and overall clinical context. There is no single haemoglobin threshold applicable to every oncology patient.\u00a0<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Living_With_Both_Low_Haemoglobin_Levels_Cancer\"><\/span><strong>Living With Both Low Haemoglobin Levels &amp; Cancer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Managing anaemia alongside a cancer diagnosis is an ongoing process rather than something resolved in a single visit. Diet, regular monitoring, and staying closely engaged with your care team all play a role, and it\u2019s reasonable to expect this to take sustained effort over time. Outcomes vary widely depending on the underlying cause, the type and stage of cancer, and how early treatment begins, which is part of why regular follow-up with your doctor matters more than any single test result.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_to_See_a_Doctor\"><\/span><strong>When to See a\u00a0Doctor?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Because low haemoglobin has so many possible causes, it\u2019s more useful to know when to get checked than to try to work out the cause yourself. <strong><a href=\"https:\/\/pharmeasy.in\/online-doctor-consultation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Consider speaking to a doctor<\/a> <\/strong>if you notice:\u00a0<\/p>\n\n\n\n<ul>\n<li>Persistent, unusual fatigue or weakness\u00a0<\/li>\n\n\n\n<li>Pale skin, gums, or nail beds\u00a0<\/li>\n\n\n\n<li>Shortness of breath during activities that didn\u2019t used to cause it\u00a0<\/li>\n\n\n\n<li>Unexplained or unusually heavy bleeding\u00a0<\/li>\n\n\n\n<li>Unintended weight loss\u00a0<\/li>\n\n\n\n<li>Frequent infections or slow healing\u00a0<\/li>\n\n\n\n<li>Lumps, persistent pain, or other symptoms that concern you, regardless of your haemoglobin level\u00a0<\/li>\n<\/ul>\n\n\n\n<p>None of these symptoms confirm cancer on their own. They\u2019re reasons to get evaluated, and a doctor will decide what testing, if any, is appropriate based on your full history and examination.\u00a0<\/p>\n\n\n\n<p><strong><em>Also Read: <a href=\"https:\/\/pharmeasy.in\/blog\/diagnostic-types-of-cancer-symptoms-early-signs-diagnosis-more\/\" target=\"_blank\" rel=\"noreferrer noopener\">Types of Cancer: Symptoms, Early Signs, Diagnosis &amp;\u00a0More<\/a><\/em><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Low haemoglobin and cancer are connected in ways that are easy to overlook, since the two aren\u2019t always discussed together. Understanding that connection doesn\u2019t mean treating every low blood count as a cancer scare. It means knowing when a result is worth a proper medical follow-up, and leaving the interpretation to a doctor who can look at your full picture rather than one number in isolation.\u00a0<\/p>\n\n\n\n<p>Regular check-ups and, where appropriate, cancer screenings remain the most reliable way to catch problems early, when treatment tends to be most effective. If you or someone you know has\u00a0persistently low haemoglobin without a clear explanation, the right step is a conversation with a doctor, not a self-assessment based on this or any other article.\u00a0<\/p>\n\n\n\n<p><strong><em>Also Read: <a href=\"https:\/\/pharmeasy.in\/blog\/10-cancer-fighting-foods-you-should-befriend\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">10 Foods to Include in Your Diet\u00a0for\u00a0Lowering\u00a0Your\u00a0Cancer Risk\u00a0<\/a><\/em><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQs\"><\/span><strong>Frequently Asked Questions<\/strong> <strong>(FAQs)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1787827358574\"><strong class=\"schema-faq-question\"><strong>Does low haemoglobin mean I have cancer?<\/strong><\/strong> <p class=\"schema-faq-answer\">Not necessarily.\u00a0Some\u00a0cancers can cause low haemoglobin, but far more cases of low haemoglobin are due to non-cancerous causes, such as nutritional deficiency, infection, or blood loss.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1787827369362\"><strong class=\"schema-faq-question\"><strong>Can haemoglobin levels point to a specific type of cancer?<\/strong><\/strong> <p class=\"schema-faq-answer\">Certain cancers are more strongly associated with anaemia than others, including cancers of the blood and bone marrow, cervical cancer, colorectal cancer, and kidney cancer. That said, a low haemoglobin result alone can\u2019t tell you which, if any, applies to you. That requires further testing.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1787827378497\"><strong class=\"schema-faq-question\"><strong>What non-cancerous conditions are commonly linked to low haemoglobin?<\/strong>\u00a0\u00a0<\/strong> <p class=\"schema-faq-answer\">Heavy menstrual bleeding, autoimmune conditions, chronic illness, nutritional deficiencies of iron or vitamin B12, and inherited blood disorders are all common, non-cancerous causes of low haemoglobin.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1787827388618\"><strong class=\"schema-faq-question\"><strong>Is low haemoglobin a sign of leukaemia?<\/strong>\u00a0\u00a0<\/strong> <p class=\"schema-faq-answer\">Leukaemia can cause anaemia, but a slightly low haemoglobin reading on its own doesn\u2019t indicate leukaemia. An accurate diagnosis requires a doctor\u2019s evaluation and appropriate testing.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1787827402610\"><strong class=\"schema-faq-question\"><strong>Can cancer treatment cause haemoglobin to drop further?<\/strong>\u00a0\u00a0<\/strong> <p class=\"schema-faq-answer\">Yes. Chemotherapy in particular affects fast-growing cells, including those responsible for producing new blood cells, which commonly results in anaemia during treatment.\u00a0<\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"References\"><\/span><strong>References<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>1. Ahmed MH, Ghatge MS, Safo MK. Hemoglobin: Structure, Function and Allostery. Subcell Biochem. 2020;94:345-382. doi:10.1007\/978-3-030-41769-7_14\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/32189307\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/32189307\/<\/a><\/p>\n\n\n\n<p>2. Natalucci V, Virgili E, Calcagnoli F, et al. Cancer Related Anemia: An Integrated Multitarget Approach and Lifestyle Interventions.\u00a0Nutrients. 2021;13(2):482. doi:10.3390\/nu13020482\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/33535496\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/33535496\/<\/a><\/p>\n\n\n\n<p>3. Is Anemia a Sign of Cancer?\u00a0American Cancer Society.\u00a0Accessed August 18, 2026. <a href=\"https:\/\/www.cancer.org\/cancer\/diagnosis-staging\/signs-and-symptoms-of-cancer\/anemia.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.cancer.org\/cancer\/diagnosis-staging\/signs-and-symptoms-of-cancer\/anemia.html<\/a>\u00a0<\/p>\n\n\n\n<p>4. Bozzini C, Busti F, Marchi G, et al. Anemia in patients receiving anticancer treatments: focus on novel therapeutic approaches. Front Oncol. 2024;14:1380358. 2024 Apr 2. doi:10.3389\/fonc.2024.1380358\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38628673\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/38628673\/<\/a><\/p>\n\n\n\n<p>5. Suprapti E, Hadju V, Ibrahim E, Indriasari R, Erika KA, Balqis B. Anemia: Etiology, Pathophysiology, Impact, and Prevention: A Review.\u00a0Iran J Public Health. 2025;54(3):509-520. doi:10.18502\/ijph.v54i3.18244\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40330196\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/40330196\/<\/a><\/p>\n\n\n\n<p>6. Obeagu EI. Anemia and hematocrit decline in cervical cancer: unveiling clinical consequences and management strategies. Ann Med Surg (Lond). 2025;87(9):5784-5791.\u00a02025 Jul 18. doi:10.1097\/MS9.0000000000003620\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40901092\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/40901092\/<\/a><\/p>\n\n\n\n<p>7.\u00a0Almilaji O, Parry SD, Docherty S, Snook J. Colorectal cancer and the blood loss paradox. Frontline Gastroenterol. 2021;13(5):381-385. 2021 Oct 21. doi:10.1136\/flgastro-2021-101959\u00a0<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9380756\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9380756\/<\/a><\/p>\n\n\n\n<p>8. Jelkmann W. Physiology and Pharmacology of Erythropoietin.\u00a0Transfus Med Hemotherapy. 2013;40(5):302-309. doi:10.1159\/000356193\u00a0<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC3822280\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC3822280\/<\/a><\/p>\n\n\n\n<p>9. Nalesnik JG, Mysliwiec AG, Canby-Hagino E. Anemia in Men with Advanced Prostate Cancer: Incidence, Etiology, and Treatment.\u00a0Rev Urol. 2004;6(1):1-4.\u00a0Accessed August 18, 2026. <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC1472681\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC1472681\/<\/a>\u00a0<\/p>\n\n\n\n<p>10. Jimenez K, Kulnigg-Dabsch S, Gasche C. Management of Iron Deficiency Anemia. Gastroenterol Hepatol (N Y). 2015;11(4):241-250.\u00a0Accessed August 18, 2026. <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4836595\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4836595\/\u00a0<\/a><\/p>\n\n\n\n<p>11. Exploring treatment options in cancer: tumor treatment strategies | Signal Transduction and Targeted Therapy. Accessed August 18, 2026. <a href=\"https:\/\/www.nature.com\/articles\/s41392-024-01856-7\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.nature.com\/articles\/s41392-024-01856-7<\/a><\/p>\n\n\n\n<p><em><strong>Disclaimer:<\/strong> The information provided here is for educational\/awareness purposes only and is not intended to be a substitute for medical treatment by a healthcare professional and should not be relied upon to diagnose or treat any medical condition. The reader should consult a registered medical practitioner to determine the appropriateness of the information and before consuming any medication. PharmEasy does not provide any guarantee or warranty (express or implied) regarding the accuracy, adequacy, completeness, legality, reliability or usefulness of the information; and disclaims any liability arising thereof.<\/em>\u00a0<\/p>\n\n\n\n<p><em>Links and product recommendations in the information\u00a0provided here are advertisements of third-party products available on the website. PharmEasy does not make any representation on the accuracy or suitability of such products\/services. Advertisements do not influence the editorial decisions or content. The information in this blog is subject to change without notice. The authors and administrators reserve the right to modify, add, or remove content without notification. It is your responsibility to review this disclaimer regularly for any changes.\u00a0<\/em><\/p>\n<\/body><\/html>\n<div class=\"pld-like-dislike-wrap pld-custom\">\r\n    <div class=\"pld-like-wrap  pld-common-wrap\">\r\n    <a href=\"javascript:void(0)\" class=\"pld-like-trigger pld-like-dislike-trigger  \" title=\"Likes\" data-post-id=\"182992\" data-trigger-type=\"like\" data-restriction=\"cookie\" data-already-liked=\"0\">\r\n                            <img src=\"https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2024\/08\/12132143\/like.png\" alt=\"Likes\" \/>\r\n            <\/a>\r\n    <span class=\"pld-like-count-wrap pld-count-wrap\">    <\/span>\r\n<\/div><div class=\"pld-dislike-wrap  pld-common-wrap\">\r\n    <a href=\"javascript:void(0)\" class=\"pld-dislike-trigger pld-like-dislike-trigger  \" title=\"Dislikes\" data-post-id=\"182992\" data-trigger-type=\"dislike\" data-restriction=\"cookie\" data-already-liked=\"0\">\r\n                            <img src=\"https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2024\/08\/12132208\/dislike.png\" alt=\"Dislikes\" \/>\r\n            <\/a>\r\n    <span class=\"pld-dislike-count-wrap pld-count-wrap\"><\/span>\r\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"Introduction A routine blood test can sometimes point to something more serious than a simple deficiency. One of the most commonly checked parameters, haemoglobin, is a good example. In some cases, low haemoglobin is an early clue that leads a doctor to look further, including for underlying conditions such as cancer. Understanding this connection can [\u2026]","protected":false},"author":176,"featured_media":287427,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_wp_rev_ctl_limit":""},"categories":[6303],"tags":[14795,14796,12183,14797],"acf":[],"_embedded":{"wp:featuredmedia":[{"source_url":"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2023\/08\/What-Type-of-Cancer-Causes-Low-Hemoglobin-Levels-.webp"}]},"_links":{"self":[{"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts\/182992"}],"collection":[{"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/users\/176"}],"replies":[{"embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/comments?post=182992"}],"version-history":[{"count":12,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts\/182992\/revisions"}],"predecessor-version":[{"id":287577,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts\/182992\/revisions\/287577"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/media\/287427"}],"wp:attachment":[{"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/media?parent=182992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/categories?post=182992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/tags?post=182992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}