{"id":201179,"date":"2024-04-10T10:37:14","date_gmt":"2024-04-10T10:37:14","guid":{"rendered":"https:\/\/pharmeasy.in\/blog\/?p=201179"},"modified":"2026-09-15T09:09:38","modified_gmt":"2026-09-15T09:09:38","slug":"crp-test-vs-esr-test-understanding-the-differences-and-significance","status":"publish","type":"post","link":"https:\/\/pharmeasy.in\/blog\/crp-test-vs-esr-test-understanding-the-differences-and-significance\/","title":{"rendered":"CRP Test vs ESR Test: Understanding the Differences and Significance"},"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-6ab66fce20c6a\" 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-6ab66fce20c6a\"  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\/crp-test-vs-esr-test-understanding-the-differences-and-significance\/#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\/crp-test-vs-esr-test-understanding-the-differences-and-significance\/#C-Reactive_Protein_CRP_Test\" >C-Reactive Protein (CRP) Test<\/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\/crp-test-vs-esr-test-understanding-the-differences-and-significance\/#Erythrocyte_Sedimentation_Rate_ESR_Test\" >Erythrocyte Sedimentation Rate (ESR) Test<\/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\/crp-test-vs-esr-test-understanding-the-differences-and-significance\/#CRP_Test_vs_ESR_Test\" >CRP Test vs ESR Test<\/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\/crp-test-vs-esr-test-understanding-the-differences-and-significance\/#Applications_of_CRP_and_ESR_Tests_in_Medical_Practice\" >Applications of CRP and ESR Tests in Medical Practice<\/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\/crp-test-vs-esr-test-understanding-the-differences-and-significance\/#Conclusion\" >Conclusion<\/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\/crp-test-vs-esr-test-understanding-the-differences-and-significance\/#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-8\" href=\"https:\/\/pharmeasy.in\/blog\/crp-test-vs-esr-test-understanding-the-differences-and-significance\/#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>When we are dealing with infections, inflammation, and different diseases, laboratory tests are of great help. They aid in correctly diagnosing health concerns. Two frequently used tests, the <a href=\"https:\/\/pharmeasy.in\/diagnostics\/tests\/crp-quantitative-60\">C-reactive protein (CRP)<\/a> test, and the <a href=\"https:\/\/pharmeasy.in\/diagnostics\/tests\/esr-71\">erythrocyte sedimentation rate (ESR)<\/a> test can detect inflammation<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28179421\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">1<\/a><\/sup>. Each of them plays a unique role in detecting inflammation and monitoring a disease. \u00a0On the contrary, there are distinct differences between them<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a>,<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>.<\/p>\n\n\n\n<p>In this article, we will understand the roles and procedures of both CRP and ESR tests. We will glean insight into how they differ, their impact on medical diagnosis and management, and the typical medical situations in which they are used.<\/p>\n\n\n\n<div class=\"wp-block-group fact-box\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group fact-box\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>Did you know?<\/p>\n\n\n\n<ul>\n<li>ESR tests alone cannot diagnose the specific condition causing inflammation; further testing is usually required. <a href=\"https:\/\/medlineplus.gov\/lab-tests\/erythrocyte-sedimentation-rate-esr\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">source: MedlinePlus<\/a><\/li>\n\n\n\n<li>ESR blood tests are non-specific and are usually used along with other tests to determine the cause or location of inflammation. <a href=\"https:\/\/www.healthdirect.gov.au\/erythrocyte-sedimentation-rate-ESR-test\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">source: healthdirect.gov.au<\/a><\/li>\n\n\n\n<li>Patients with metabolic syndrome and high CRP have a significantly higher vascular risk. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC1336715\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Source: NCBI<\/a><\/li>\n\n\n\n<li>Exercise, weight loss, and dietary control are effective in lowering CRP levels and reducing vascular risk. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC1336715\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Source: NCBI<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"C-Reactive_Protein_CRP_Test\"><\/span><strong>C-Reactive Protein (CRP) Test<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>An important inflammation marker is the C-reactive protein or CRP<sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441843\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">8<\/a><\/sup>. It is produced by your liver and increases during times of inflammation. A simple blood test is the usual course to measure it.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Understanding CRP and Its role<\/strong><\/h3>\n\n\n\n<p>Essentially, CRP is an acute phase reactant. Its levels rise when the body is dealing with inflammation<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28179421\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">1<\/a><\/sup>. This response is caused by specific proteins termed cytokines, which are produced by white blood cells in times of inflammation.<\/p>\n\n\n\n<ul>\n<li><strong>Production of CRP<\/strong><\/li>\n<\/ul>\n\n\n\n<p>The liver plays a central role in producing CRP.\u00a0The production of cytokines in response to inflammation stimulates the synthesis of CRP. This results in an increase in CRP levels in your bloodstream<sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441843\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">8<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<ul>\n<li><strong>When do CRP levels increase?<\/strong>\u00a0<\/li>\n<\/ul>\n\n\n\n<p>CRP usually spikes during bouts of inflammation. This inflammation could be triggered by an infection, injury, or any chronic inflammatory disease<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/12490959\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">4<\/a><\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. CRP test procedure<\/strong><\/h3>\n\n\n\n<p>Measuring CRP levels requires a blood sample, which is then tested in a laboratory.<\/p>\n\n\n\n<ul>\n<li><strong>Blood sample collection<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Blood is usually drawn from a vein. The vein is searched for on the inner side of your elbow or the back of your hand. A needle is pricked into the vein, and the blood is then collected either in an air-tight vial or a syringe.<\/p>\n\n\n\n<ul>\n<li><strong>CRP test analysis<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Once your blood sample is collected, it is sent to a laboratory. The laboratory technicians determine CRP concentrations. This gives a clearer picture of the level of inflammation in your body<sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441843\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">8<\/a>,<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5471098\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">9<\/a><\/sup>.\u00a0<\/p><div id=\"sfa_container_201179\" class=\"sfa_container\" style=\"display:none\"><div class=\"sfa_overlay\"><\/div><button id=\"sfa_btn_201179\" class=\"sfa_btn\">Show Full Article<\/button><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Interpretation of CRP test results<\/strong><\/h3>\n\n\n\n<p>The way to interpret CRP test results is described below.<\/p>\n\n\n\n<ul>\n<li><strong>Normal CRP levels<\/strong><\/li>\n<\/ul>\n\n\n\n<p>CRP levels depend on age, gender, and even ethnic background. In healthy grown-ups, CRP mainly stays below 0.3 mg\/dL. Low CRP doesn\u2019t always mean no inflammation. Some people with conditions like rheumatoid arthritis might show normal CRP<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26002695\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">5<\/a>,<a href=\"https:\/\/www.cdc.gov\/arthritis\/rheumatoid-arthritis\/index.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">11<\/a><\/sup>.<\/p>\n\n\n\n<ul>\n<li><strong>High CRP levels and associated conditions<\/strong><\/li>\n<\/ul>\n\n\n\n<p>An upsurge in CRP may suggest different conditions like cancer, heart attack, infection, IBD, and autoimmune illnesses such as rheumatoid arthritis and lupus. It\u2019s worth noting that high CRP itself can\u2019t pin down the exact cause of inflammation<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/12490959\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">4<\/a>,<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5471098\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">9<\/a>,<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21592631\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">10<\/a><\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Factors affecting CRP levels<\/strong><\/h3>\n\n\n\n<p>Several factors can sway CRP levels. Some of them are pregnancy, birth control pills, and certain medications. Therefore, it\u2019s crucial that you talk about any personal conditions with your healthcare provider when reading CRP test results<sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441843\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">8<\/a><\/sup>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Erythrocyte_Sedimentation_Rate_ESR_Test\"><\/span><strong>Erythrocyte Sedimentation Rate (ESR) Test<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The erythrocyte sedimentation rate (ESR) is another inflammation marker<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a>,<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>. This test checks how fast red blood cells (erythrocytes) settle at the bottom of a tube.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Understanding ESR and Its role<\/strong><\/h3>\n\n\n\n<p>When our bodies fight inflammation, red blood cells may clump together. They get heavier and settle faster in a tube. The farther these cells sink within the hour, the higher the inflammatory response<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<ul>\n<li><strong>Factors affecting ESR<\/strong><\/li>\n<\/ul>\n\n\n\n<p>ESR can be influenced by factors like age, anaemia, pregnancy, kidney problems, thyroid disease, certain cancers, infections, and injuries<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. ESR test procedure<\/strong><\/h3>\n\n\n\n<p>ESR test also needs a regular blood sample for laboratory testing, much like the CRP test.\u00a0<\/p>\n\n\n\n<ul>\n<li><strong>Blood sample collection for ESR\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<p>For this test, blood is drawn from a vein, usually inside the elbow or back of your hand. This sample is placed in a tall, thin tube for the ESR analysis.<\/p>\n\n\n\n<ul>\n<li><strong>ESR test analysis\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<p>This test gauges how far red blood cells fall in the tube within an hour. The greater the distance they cover, the higher the inflammation<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a>,<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Interpretation of ESR Test results<\/strong><\/h3>\n\n\n\n<p>ESR interpretation is similar to CRP where several factors need to be considered. Different conditions can play with ESR values, making it essential to keep them in mind while interpreting the results.\u00a0<\/p>\n\n\n\n<ul>\n<li><strong>Normal ESR levels\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Like CRP, ESR also depends on factors like age and gender. Usually, men show ESR up to 15 mm\/hr, while women may have up to 20 mm\/hr<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<ul>\n<li><strong>High ESR levels and associated conditions\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Raised ESR levels are often found in people suffering from giant cell arteritis, polymyalgia rheumatica, rheumatoid arthritis, and infections<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a>,<a href=\"https:\/\/www.cdc.gov\/arthritis\/rheumatoid-arthritis\/index.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">11<\/a><\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Factors affecting ESR levels<\/strong><\/h3>\n\n\n\n<p>ESR might be swayed by factors such as anaemia, pregnancy, kidney problems, thyroid disease, certain cancers, and infections<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a>,<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CRP_Test_vs_ESR_Test\"><\/span><strong>CRP Test vs ESR Test<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>It\u2019s critical to note the differences and similarities between CRP and ESR tests. Both help in \u00a0detecting inflammation. Understanding the nuances aid in wise medical decisions.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Similarities between CRP and ESR Tests<\/strong><\/h3>\n\n\n\n<p>Both detect inflammation in our bodies. They provide an overall status of inflammation but can\u2019t point out the exact cause or location<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28179421\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">1<\/a>,<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a><\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Differences between CRP and ESR Tests<\/strong><\/h3>\n\n\n\n<p>Despite measuring inflammation, CRP and ESR tests aren\u2019t the same.<\/p>\n\n\n\n<ul>\n<li><strong>Sensitivity and specificity<\/strong><\/li>\n<\/ul>\n\n\n\n<p>CRP is generally more sensitive than ESR. It responds faster to changes in inflammation. In contrast, after inflammation resolves, ESR may stay elevated for a longer time<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>.<\/p>\n\n\n\n<ul>\n<li><strong>Conditions diagnosed with CRP and ESR tests<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Both tests assist in diagnosing different conditions. CRP is good at detecting short-term inflammation and infections. On the other hand, ESR is better at monitoring chronic inflammatory diseases like rheumatoid arthritis<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26002695\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">5<\/a>,<a href=\"https:\/\/www.cdc.gov\/arthritis\/rheumatoid-arthritis\/index.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">11<\/a><\/sup>.<\/p>\n\n\n\n<ul>\n<li><strong>Responding to therapy<\/strong><\/li>\n<\/ul>\n\n\n\n<p>When it comes to checking therapy effectiveness, CRP can give quicker feedback. ESR, along with other evaluations, helps monitor management effects on chronic conditions<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>.<\/p>\n\n\n\n<ul>\n<li><strong>Procedure and blood sample requirements<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Both tests demand a blood sample, mostly drawn from the inner elbow or back of the hand. Yet, they use different methods and aspects in measuring inflammation<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a><\/sup>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote doc-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>It\u2019s a lesser-known fact that when ESR and CRP tests are done at the same time, they tend to show similar results around 67% to 81% of the time. Since there\u2019s no agreement on which test is better, doctors frequently ask for both CRP and ESR tests to cover all bases.<\/p>\n<cite><strong><a href=\"https:\/\/pharmeasy.in\/legal\/editorial-policy\/dr-siddharth-gupta-73\" target=\"_blank\" rel=\"noreferrer noopener\">Dr. Siddharth Gupta, BAMS, MD (Ayu)<\/a><\/strong><\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_of_CRP_and_ESR_Tests_in_Medical_Practice\"><\/span><strong>Applications of CRP and ESR Tests in Medical Practice<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>These tests come in handy in many medical situations, helping diagnose and monitor various health conditions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Rheumatoid Arthritis Diagnosis and Monitoring<\/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\/2022\/01\/Arthritis-375x250.webp\" alt=\"Arthritis\" class=\"wp-image-256492\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/01\/Arthritis-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/01\/Arthritis-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/01\/Arthritis-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/01\/Arthritis-1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/01\/Arthritis-2048x1365.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/01\/Arthritis-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/01\/Arthritis-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/01\/Arthritis-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/01\/Arthritis-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/figure><\/div>\n\n\n<p>CRP and ESR tests help in the diagnosis and tracking of rheumatoid arthritis, a chronic inflammatory autoimmune disease<sup><a href=\"https:\/\/www.cdc.gov\/arthritis\/rheumatoid-arthritis\/index.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">11<\/a><\/sup>. They work together with other tests to gauge disease activity and track the progress of management plans<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26002695\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">5<\/a><\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Inflammatory Bowel Disease Management<\/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\/2025\/12\/digestion-375x250.webp\" alt=\"digestive system\" class=\"wp-image-261622\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2025\/12\/digestion-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2025\/12\/digestion-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2025\/12\/digestion-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2025\/12\/digestion-1536x1025.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2025\/12\/digestion-2048x1366.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2025\/12\/digestion-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2025\/12\/digestion-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2025\/12\/digestion-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2025\/12\/digestion-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/figure><\/div>\n\n\n<p>Inflammatory bowel disease (IBD) is a long-term inflammation of the gut. Both tests play a vital role in observing disease trends and checking if therapies are working<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/12490959\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">4<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Assessing the Risk of Cardiovascular Disease<\/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\/2022\/02\/Heart-Diseases-375x250.webp\" alt=\"heart\" class=\"wp-image-255427\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/02\/Heart-Diseases-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/02\/Heart-Diseases-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/02\/Heart-Diseases-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/02\/Heart-Diseases-1536x1024.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/02\/Heart-Diseases-2048x1365.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/02\/Heart-Diseases-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/02\/Heart-Diseases-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/02\/Heart-Diseases-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2022\/02\/Heart-Diseases-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/figure><\/div>\n\n\n<p>High-sensitivity CRP has gained importance in predicting a person\u2019s risk for heart issues like heart attack or stroke<sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5471098\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">9<\/a><\/sup>. High CRP implies higher risk. It helps healthcare professionals decide possible management and steps to reduce risk<sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441843\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">8<\/a><\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Infections and Detecting Inflammation<\/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\/03\/inflammation-375x250.webp\" alt=\"inflammation\" class=\"wp-image-272955\" srcset=\"https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/03\/inflammation-375x250.webp 375w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/03\/inflammation-1024x683.webp 1024w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/03\/inflammation-768x512.webp 768w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/03\/inflammation-1536x1025.webp 1536w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/03\/inflammation-2048x1366.webp 2048w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/03\/inflammation-741x494.webp 741w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/03\/inflammation-480x320.webp 480w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/03\/inflammation-720x480.webp 720w, https:\/\/pharmeasy.in\/blog\/wp-content\/uploads\/2026\/03\/inflammation-150x100.webp 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/figure><\/div>\n\n\n<p>Unexpected inflammation or potential infections can be detected by both tests<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28179421\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">1<\/a><\/sup>. They provide valuable data for guiding therapy decisions and ensuring suitable care<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21592631\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">10<\/a><\/sup>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote doc-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>In my experience, if you are suspected of mild bone and joint infections like osteomyelitis or early prosthetic joint infections, your doctor might use CRP and ESR tests results together along with other medical checks to help confirm the diagnosis.<\/p>\n<cite><strong><a href=\"https:\/\/pharmeasy.in\/legal\/editorial-policy\/dr-rajeev-singh-70\" target=\"_blank\" rel=\"noreferrer noopener\">Dr Rajeev Singh, BAMS<\/a><\/strong><\/cite><\/blockquote>\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>Knowing how CRP and ESR tests differ and match, and understanding their role in medical practice is a must for healthcare professionals. They are potent tools in detecting inflammation, guiding diagnoses, tracking diseases, and assessing the success of therapy<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28179421\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">1<\/a>,<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a>,<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>.<\/p>\n\n\n\n<p>As you explore medical testing, it\u2019s key to appreciate the unique role of each test. They work hand-in-hand to deliver the best patient care.<\/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 (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-1712745202593\"><strong class=\"schema-faq-question\"><strong>Can CRP and ESR tests be used interchangeably?<\/strong>\u00a0<\/strong> <p class=\"schema-faq-answer\">While both tests detect inflammation, they\u2019re not the same. They focus on different facets and have varying sensitivity and specificity<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">3<\/a><\/sup>. They are usually used together to provide a well-rounded picture of a person\u2019s inflammation status and help with management decisions.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1712745224772\"><strong class=\"schema-faq-question\"><strong>What can cause false-positive or false-negative results in CRP and ESR tests?<\/strong>\u00a0<\/strong> <p class=\"schema-faq-answer\">Both CRP and ESR test results can be affected by various factors including age, gender, ethnic background, pregnancy, medications, and other health conditions<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">2<\/a>,<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441843\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">8<\/a><\/sup>. Hence, it\u2019s important to discuss your specific conditions with your healthcare provider to avoid any or misinterpretation of results.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1712745236545\"><strong class=\"schema-faq-question\"><strong>How often should CRP and ESR tests be repeated?<\/strong>\u00a0<\/strong> <p class=\"schema-faq-answer\">How frequently CRP and ESR tests should be done depends on the disease being tracked and other personal factors. The best schedule will be determined by your healthcare provider, keeping in mind your case and targets of therapy.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1712745253512\"><strong class=\"schema-faq-question\"><strong>Are there any risks associated with CRP or ESR tests?<\/strong>\u00a0<\/strong> <p class=\"schema-faq-answer\">While drawing blood for both CRP and ESR tests, there might be minor risks. These include bruising, swelling, feeling dizzy, or infection. But, these risks are small, and most people undergo the tests without any problems.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1712745270506\"><strong class=\"schema-faq-question\"><strong>How can I prepare for a CRP or ESR test?<\/strong>\u00a0<\/strong> <p class=\"schema-faq-answer\">For a CRP or ESR test, you don\u2019t need any special preparation. Do inform your healthcare provider about any medications you\u2019re on as some can impact the results. If you wear a short-sleeved shirt to the test, it will be easier to access your veins for the blood draw.\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<ol start=\"1\">\n<li>PubMed. It\u2019s time to redefine inflammation [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28179421\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28179421\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/28179421<\/a>\u00a0<\/li>\n\n\n\n<li>PubMed. Erythrocyte Sedimentation Rate and C-reactive Protein Measurements and Their Relevance in Clinical Medicine [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/29094869<\/a>\u00a0<\/li>\n\n\n\n<li>PubMed. Erythrocyte sedimentation rate and C-reactive protein: how best to use them in clinical practice [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/25290132<\/a>\u00a0<\/li>\n\n\n\n<li>PubMed. Inflammation and cancer [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/12490959\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/12490959\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/12490959<\/a>\u00a0<\/li>\n\n\n\n<li>PubMed. A history of the term \u201cDMARD\u201d [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26002695\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26002695\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/26002695<\/a>\u00a0<\/li>\n\n\n\n<li>PubMed. Getting under the skin: Social isolation and biological markers in the National Health and Aging Trends Study [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34698366\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34698366\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/34698366<\/a>\u00a0<\/li>\n\n\n\n<li>JAMA Network. Social Isolation and Loneliness in Older Adults\u2014A Mental Health\/Public Health Challenge [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/jamanetwork.com\/journals\/jamapsychiatry\/article-abstract\/2766710\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/jamanetwork.com\/journals\/jamapsychiatry\/article-abstract\/2766710\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/jamanetwork.com\/journals\/jamapsychiatry\/article-abstract\/2766710<\/a>\u00a0<\/li>\n\n\n\n<li>National Center for Biotechnology Information (NCBI). C Reactive Protein [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441843\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441843\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441843<\/a>\u00a0<\/li>\n\n\n\n<li>National Center for Biotechnology Information (NCBI). Causes and outcomes of markedly elevated C-reactive protein levels \u2013 PMC [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5471098\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5471098\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5471098<\/a>\u00a0<\/li>\n\n\n\n<li>PubMed. [Etiology and prognosis of highly elevated C-reactive protein levels (\u2265500 mg\/L): a retrospective study about 168 measures in a series of 113 patients] [Internet]. [cited 2024 Apr 2]. Available from:<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21592631\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21592631\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/21592631<\/a>\u00a0<\/li>\n\n\n\n<li>Centers for Disease Control and Prevention (CDC). Rheumatoid Arthritis [Internet]. [cited 2024 Apr 2]. Available from: <a href=\"https:\/\/www.cdc.gov\/arthritis\/rheumatoid-arthritis\/index.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.cdc.gov\/arthritis\/rheumatoid-arthritis\/index.html<\/a><\/li>\n<\/ol>\n\n\n\n<p><strong><em>Disclaimer<\/em><\/strong><em>: 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><\/p>\n\n\n\n<p><em>Links and product recommendations in the information<\/em> <em>provided 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.<\/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=\"201179\" 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=\"201179\" 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\">1<\/span>\r\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"Introduction When we are dealing with infections, inflammation, and different diseases, laboratory tests are of great help. They aid in correctly diagnosing health concerns. Two frequently used tests, the C-reactive protein (CRP) test, and the erythrocyte sedimentation rate (ESR) test can detect inflammation1. Each of them plays a unique role in detecting inflammation and monitoring [\u2026]","protected":false},"author":152,"featured_media":214890,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_wp_rev_ctl_limit":""},"categories":[10435],"tags":[],"acf":[],"_embedded":{"wp:featuredmedia":[{"source_url":"https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2024\/04\/06061818\/crp-test-vs-esr-test.webp"}]},"_links":{"self":[{"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts\/201179"}],"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\/152"}],"replies":[{"embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/comments?post=201179"}],"version-history":[{"count":33,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts\/201179\/revisions"}],"predecessor-version":[{"id":289344,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts\/201179\/revisions\/289344"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/media\/214890"}],"wp:attachment":[{"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/media?parent=201179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/categories?post=201179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/tags?post=201179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}