{"id":247400,"date":"2025-08-05T13:01:51","date_gmt":"2025-08-05T13:01:51","guid":{"rendered":"https:\/\/pharmeasy.in\/blog\/?p=247400"},"modified":"2026-03-27T11:36:53","modified_gmt":"2026-03-27T11:36:53","slug":"vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment","status":"publish","type":"post","link":"https:\/\/pharmeasy.in\/blog\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/","title":{"rendered":"Bacterial Pneumonia: What Is It, Causes, Symptoms &amp; Treatment"},"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-69e46ae0216e0\" 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-69e46ae0216e0\"  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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#What_Is_Bacterial_Pneumonia\" >What Is Bacterial Pneumonia?<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#Causes_of_Bacterial_Pneumonia\" >Causes of Bacterial Pneumonia<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#How_Does_Bacterial_Pneumonia_Spread\" >How Does Bacterial Pneumonia Spread?<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#Who_Is_More_Likely_to_Get_Bacterial_Pneumonia\" >Who Is More Likely to Get Bacterial Pneumonia?<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#Symptoms_of_Bacterial_Pneumonia\" >Symptoms of Bacterial Pneumonia<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#Diagnosis_of_Bacterial_Pneumonia\" >Diagnosis of Bacterial Pneumonia<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#Bacterial_vs_Viral_Pneumonia\" >Bacterial vs. Viral Pneumonia<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#Bacterial_Pneumonia_Treatment\" >Bacterial Pneumonia Treatment<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#Prevention_of_Bacterial_Pneumonia\" >Prevention of Bacterial Pneumonia<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#Complications_of_Untreated_Bacterial_Pneumonia\" >Complications of Untreated Bacterial Pneumonia<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#When_to_See_a_Doctor\" >When to See a Doctor<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#Conclusion\" >Conclusion<\/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\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#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-15\" href=\"https:\/\/pharmeasy.in\/blog\/vaccine-bacterial-pneumonia-what-is-it-causes-symptoms-treatment\/#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>Pneumonia is one of the leading causes of mortality in the world, making it a global health concern<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6202443\/\"><sup>1<\/sup><\/a>. It is a serious infection that affects your lungs by causing inflammation and fluid or pus accumulation in the alveoli (air sacs) of your lungs<a href=\"https:\/\/www.nhlbi.nih.gov\/health\/pneumonia\"><sup>2<\/sup><\/a>. Bacterial pneumonia, especially from <em>\u00a0Streptococcus pneumoniae<\/em> or <em>Haemophilus influenzae <\/em>type b, is a common cause of pneumonia-related deaths. However, viral pneumonia, caused by viruses like respiratory syncytial virus (RSV) and influenza, also contributes significantly to pneumonia cases and fatalities<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6202443\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>1<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\"><sup>3<\/sup><\/a>.\u00a0<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Bacterial_Pneumonia\"><\/span><strong>What Is Bacterial Pneumonia?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Bacterial pneumonia, as the name suggests, is caused by various bacteria that invade your lungs. Your body\u2019s natural defence system tries to fight these bacteria as a part of the immune response, leading to inflammation of the air sacs of your lungs and the accumulation of fluid and pus in them<a href=\"https:\/\/www.nhlbi.nih.gov\/health\/pneumonia\/causes\"><sup>4<\/sup><\/a>. Inflammation occurs as part of the immune response, but sometimes pathogenic bacterial factors also directly damage tissue, e.g., inflammation caused by the toxin pneumolysin from <em>S. pneumoniae<\/em><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC6422050\/\"><sup>5<\/sup><\/a>. Bacterial pneumonia can be of different types, including<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\"><sup>3<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li><strong>Community-acquired Pneumonia: <\/strong>Occurs in individuals who acquire the infection outside of hospital settings or within 48 hours of admission.\u00a0<\/li>\n\n\n\n<li><strong>Hospital-acquired Pneumonia:<\/strong> This type of pneumonia occurs in individuals who develop the infection 48 hours after admission to any hospital.\u00a0<\/li>\n\n\n\n<li><strong>Atypical Pneumonia: <\/strong>This type of pneumonia is generally caused by bacteria that are less commonly associated with pneumonia, e.g., <em>Mycoplasma pneumoniae, Chlamydia pneumoniae, and Legionella spp<\/em>. These organisms are not generally identified by the traditional staining methods (Gram stain), but the pneumonia often presents with symptoms that occur outside the lungs. Though atypical bacterial pneumonia is mostly bacterial in origin, it may not be categorised as typical bacterial pneumonia<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34750083\/\"><sup>6<\/sup><\/a>.\u00a0<\/li>\n\n\n\n<li><strong>Ventilator-associated Pneumonia:<\/strong> This type of pneumonia occurs 48 hours or more after a person has been placed on a ventilator to help them breathe.\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Causes_of_Bacterial_Pneumonia\"><\/span><strong>Causes of Bacterial Pneumonia<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The bacterial pneumonia causes include<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li><strong>Community-acquired Pneumonia:<\/strong> The main organisms that cause this infection include S.<em> pneumoniae, H. influenzae, M. pneumoniae, Legionella spp., Moraxella catarrhalis, and Staphylococcus aureus <\/em>(especially methicillin-resistant <em>S. aureus<\/em>), which is commonly associated with severe cases or following a viral infection like influenza.\u00a0\u00a0<\/li>\n\n\n\n<li><strong>Hospital-acquired Pneumonia:<\/strong> The main organisms that cause this infection include <em>S. aureus<\/em>, <em>Pseudomonas aeruginosa<\/em>, and <em>Acinetobacter baumannii<\/em>.\u00a0\u00a0<\/li>\n\n\n\n<li><strong>Atypical Pneumonia: <\/strong>The main organisms that cause this infection include <em>M. pneumoniae<\/em>, <em>C.\u202fpneumoniae, or Legionella pneumophila<\/em>.\u00a0\u00a0<\/li>\n\n\n\n<li><strong>Ventilator-associated Pneumonia: <\/strong>The main organisms that cause this infection include <em>S.\u202faureus<\/em>, <em>P. aeruginosa<\/em>, enterobacter species (such as Klebsiella, <em>E. coli<\/em>) and gram-negative bacilli<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK507711\/\"><sup>8<\/sup><\/a>.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>In 50% of pneumonia cases, the etiological factor remains unknown. Identifying the causative organism is essential for appropriate treatment<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_Bacterial_Pneumonia_Spread\"><\/span><strong>How Does Bacterial Pneumonia Spread?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Bacterial pneumonia is contagious and can spread from person to person. This infection is transmitted through contact with infected surfaces. It can also spread when the droplets released when an infected person coughs or sneezes are inhaled by another person<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>.\u00a0<\/p>\n\n\n\n<p>It is always recommended to avoid close contact with infected individuals, wear a mask and practice proper hand hygiene to reduce your risk of infection<a href=\"https:\/\/www.cdc.gov\/pneumonia\/prevention\/index.html\"><sup>9<\/sup><\/a>.\u00a0<\/p><div id=\"sfa_container_247400\" class=\"sfa_container\" style=\"display:none\"><div class=\"sfa_overlay\"><\/div><button id=\"sfa_btn_247400\" class=\"sfa_btn\">Show Full Article<\/button><\/div>\n\n\n\n<blockquote class=\"wp-block-quote doc-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>As per my experience, I have noticed that health care workers like doctors, nurses, ward boys etc are at the greatest risk of developing pneumonias. I feel consuming immunity boosting foods\/supplements like Vitamin C can help in lowering the risk of getting these infections.<\/p>\n<cite><strong><a href=\"https:\/\/pharmeasy.in\/legal\/editorial-policy\/dr-kathak-shah-96\" target=\"_blank\" rel=\"noreferrer noopener\">Dr. Kathak Shah, MBBS, DDV, Fellowship in lasers &amp; aesthetics, Fellowship in Dermatosurgery<\/a><\/strong><\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Who_Is_More_Likely_to_Get_Bacterial_Pneumonia\"><\/span><strong>Who Is More Likely to Get Bacterial Pneumonia?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>While bacterial pneumonia can affect anyone, certain groups of people, including the following, are more likely to develop bacterial pneumonia<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.cdc.gov\/pneumonia\/risk-factors\/index.html\"><sup>10<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li>Children (under 5 years of age) or older adults (over 65 years of age).\u00a0<\/li>\n\n\n\n<li>Chronic conditions (such as diabetes, chronic lung disease, and heart disease).\u00a0<\/li>\n\n\n\n<li>Weakened immune system.\u00a0<\/li>\n\n\n\n<li>Smoking and alcohol consumption.\u00a0<\/li>\n\n\n\n<li>Poor oral hygiene\u00a0<\/li>\n\n\n\n<li>Use of certain medications (e.g., proton pump inhibitors like <a href=\"https:\/\/pharmeasy.in\/molecules\/omeprazole-6971\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>omeprazole<\/strong><\/a> and <strong><a href=\"https:\/\/pharmeasy.in\/molecules\/pantoprazole-7796\" target=\"_blank\" rel=\"noreferrer noopener\">pantoprazole<\/a><\/strong>).\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Symptoms_of_Bacterial_Pneumonia\"><\/span><strong>Symptoms of Bacterial Pneumonia<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The signs and symptoms of bacterial pneumonia include<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li>Fever with chills\u00a0<\/li>\n\n\n\n<li>High heart rate (tachycardia)\u00a0<\/li>\n\n\n\n<li>Chest pain when breathing and coughing\u00a0<\/li>\n\n\n\n<li>Tiredness or fatigue\u00a0<\/li>\n\n\n\n<li>Body pain or joint pain\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Respiratory symptoms may include<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li>Shortness of breath during normal activities\u00a0<\/li>\n\n\n\n<li>Rapid breathing (tachypnoea)\u00a0<\/li>\n\n\n\n<li>Productive cough with mucus that can be clear, yellow\/green, or contain blood. Dry cough is more common with viral and atypical pneumonia<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34750083\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>6<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/medlineplus.gov\/ency\/article\/000073.htm\"><sup>11<\/sup><\/a>.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Systemic symptoms of bacterial pneumonia may include<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li>Headache\u00a0<\/li>\n\n\n\n<li>Sweaty and clammy skin or chills\u00a0<\/li>\n\n\n\n<li>Altered mental status or confusion\u00a0<\/li>\n\n\n\n<li>Hypotension\u00a0<\/li>\n\n\n\n<li>Cyanosis due to low oxygen levels\u00a0<\/li>\n\n\n\n<li>Increased heart rate (tachycardia). Decreased heart rate (bradycardia) is uncommon and may be associated with pneumonia caused by Chlamydia sp, Legionnaire\u2019s disease, and typhoid<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/8945708\/\"><sup>12<\/sup><\/a>.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>In children under 5 years of age, the signs and symptoms of bacterial pneumonia may include rapid breathing, chest pain, abdominal pain, and pale colour of the face<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>.\u00a0<\/p>\n\n\n\n<blockquote class=\"wp-block-quote doc-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Leptospirosis, a disease caused by urination of rodents mixed into stagnant water can cause life threatening pnuemonia. Thus, utmost care should be taken to avoid travel through stagnant waters. Calf and thigh pain with blood in sputum should raise suspicion of leptospirosis<sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441858\/\" target=\"_blank\" rel=\"noreferrer noopener\">21<\/a><\/sup>.<\/p>\n<cite><strong><a href=\"https:\/\/pharmeasy.in\/legal\/editorial-policy\/dr-kathak-shah-96\" target=\"_blank\" rel=\"noreferrer noopener\">Dr. Kathak Shah, MBBS, DDV, Fellowship in lasers &amp; aesthetics, Fellowship in Dermatosurgery<\/a><\/strong><\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Diagnosis_of_Bacterial_Pneumonia\"><\/span><strong>Diagnosis of Bacterial Pneumonia<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>After a careful assessment of your symptoms, your doctor will be able to diagnose your condition with the help of<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li><strong>Chest X-ray: <\/strong>If you present with symptoms of pneumonia, your chest X-ray serves as a first-line imaging tool for the diagnosis of bacterial pneumonia. Your chest X-ray may show pulmonary infiltrates and may suggest the type of pneumonia present (for example, lobar or interstitial pneumonia). However, it cannot accurately distinguish between bacterial and non-bacterial pneumonia (such as viral pneumonia).\u00a0<\/li>\n\n\n\n<li><strong>Computed Tomography: <\/strong>Helpful in unclear cases or when other conditions may be present.\u00a0<\/li>\n\n\n\n<li><strong>Blood Tests: <\/strong>Your doctor may recommend laboratory tests such as:\u00a0<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/pharmeasy.in\/diagnostics\/tests\/cbc-complete-blood-count-44\" target=\"_blank\" rel=\"noreferrer noopener\">Complete blood count<\/a>:<\/strong> Creatinine levels and complete white blood cell count (for the diagnosis and detection of severity of infection)\u00a0\u00a0<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/pharmeasy.in\/diagnostics\/profile\/liver-function-test-lft-254\" target=\"_blank\" rel=\"noreferrer noopener\">Liver function tests<\/a>: <\/strong>Abnormalities on the liver function tests may be observed in cases of severe or complicated pneumonia or Legionella infections<sup><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4953496\/\" target=\"_blank\" rel=\"noreferrer noopener\">13<\/a><\/sup>.\u00a0<\/li>\n\n\n\n<li><strong>Inflammatory biomarkers (e.g., erythrocyte sedimentation rate and C-reactive protein):<\/strong> Supportive markers for inflammation and severity. Elevated levels of C-reactive protein are suggestive of bacterial pneumonia. However, this result is not definitive, and these tests cannot distinguish between bacterial and viral pneumonia.\u00a0<\/li>\n\n\n\n<li><strong>Arterial blood gases:<\/strong> Used in severe cases where hypoxia (low oxygen supply to tissues) and respiratory acidosis (acidic blood due to the presence of carbon dioxide) are present.\u00a0<\/li>\n\n\n\n<li><strong>Sputum Culture:<\/strong> May be advised in severe cases or hospitalised cases to identify the bacteria causing your illness.\u00a0<\/li>\n\n\n\n<li><strong>Gram Staining:<\/strong> To identify the bacteria and guide your treatment. For example, Gram-positive cocci, such as <em>S. pneumoniae<\/em>, and Gram-negative bacilli like <em>H. influenzae<\/em>.\u00a0\u00a0<\/li>\n\n\n\n<li><strong>Respiratory Viral Panel (including influenza): <\/strong>Done by collecting a sample from your respiratory tract (nasopharyngeal swab) to check for viral pathogens such as influenza, RSV or SARS-CoV-2. The results may indicate a secondary bacterial infection, which is common after a viral infection.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Based on these tests, your doctor will be able to diagnose your condition accurately and will suggest the appropriate treatment for your condition. A definitive diagnosis, especially in hospitalised cases or complicated cases will always require identification of the organism.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bacterial_vs_Viral_Pneumonia\"><\/span><strong>Bacterial vs. Viral Pneumonia<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>While bacterial and viral pneumonia are two common types of lung infections that share similar symptoms, the table below highlights the key differences between the two types of pneumonia<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a><sup>,<a href=\"https:\/\/medlineplus.gov\/ency\/article\/000073.htm\" target=\"_blank\" rel=\"noreferrer noopener\">11<\/a><\/sup>.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u00a0<\/td><td><strong>Bacterial Pneumonia<\/strong><\/td><td><strong>Viral Pneumonia<\/strong>\u00a0<\/td><\/tr><tr><td>Aetiology\u00a0<\/td><td>Bacterial (e.g., Streptococcus pneumoniae, Haemophilus influenzae, and Staphylococcus aureus)\u00a0<\/td><td>Viral (for example, Respiratory syncytial virus or RSV, influenza virus, adenovirus and coronaviruses like SARS-CoV-2)\u00a0<\/td><\/tr><tr><td>Onset\u00a0<\/td><td>Sudden onset and more severe symptoms\u00a0<\/td><td>Gradual onset and symptoms may not be severe initially\u00a0<\/td><\/tr><tr><td>Diagnosis\u00a0<\/td><td>Chest X-ray, Computed tomography, Gram staining, Sputum culture, blood tests\u00a0<\/td><td>Nasal or throat swab (PCR), Chest X-ray, and patient\u2019s history\u00a0<\/td><\/tr><tr><td>Treatment\u00a0<\/td><td>Antibiotics\u00a0<\/td><td>Supportive care (rest, fluids, fever control); antivirals in some cases (e.g., influenza)\u00a0<\/td><\/tr><tr><td>Complications\u00a0<\/td><td>Abscess, empyema, and sepsis\u00a0<\/td><td>Respiratory failure, liver failure, heart failure, and secondary bacterial infection\u00a0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>If you are suffering from any lung infection and are unsure whether it is a bacterial or viral infection, it is best to consult your doctor and get appropriate medical treatment.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bacterial_Pneumonia_Treatment\"><\/span><strong>Bacterial Pneumonia Treatment<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The main treatment of bacterial pneumonia involves the use of antibiotics. If you are healthy and do not have any other chronic medical conditions, the treatment may include antibiotics like<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li><strong><a href=\"https:\/\/pharmeasy.in\/molecules\/amoxycillin-amoxicillin-3449268\" target=\"_blank\" rel=\"noreferrer noopener\">Amoxicillin<\/a><\/strong><\/li>\n\n\n\n<li><a href=\"https:\/\/pharmeasy.in\/molecules\/doxycycline-7755\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Doxycycline<\/strong><\/a>\u00a0<\/li>\n\n\n\n<li>Macrolides (such as <strong><a href=\"https:\/\/pharmeasy.in\/molecules\/azithromycin-7880\" target=\"_blank\" rel=\"noreferrer noopener\">azithromycin<\/a><\/strong> or <strong><a href=\"https:\/\/pharmeasy.in\/molecules\/clarithromycin-7398\" target=\"_blank\" rel=\"noreferrer noopener\">clarithromycin<\/a><\/strong>)\u00a0<\/li>\n<\/ul>\n\n\n\n<p>If you have any chronic medical conditions such as diabetes or heart disease, the treatment may include combination treatments like<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li>Amoxicillin\/clavulanate or cephalosporins (such as <strong><a href=\"https:\/\/pharmeasy.in\/molecules\/cefpodoxime-7928\" target=\"_blank\" rel=\"noreferrer noopener\">cefpodoxime<\/a><\/strong> or <strong><a href=\"https:\/\/pharmeasy.in\/molecules\/cefuroxime-7815\" target=\"_blank\" rel=\"noreferrer noopener\">cefuroxime<\/a><\/strong>) along with a macrolide (such as azithromycin or clarithromycin) or doxycycline.\u00a0<\/li>\n\n\n\n<li>Alternatively, your doctor may recommend a single stronger antibiotic like <strong><a href=\"https:\/\/pharmeasy.in\/molecules\/levofloxacin-7879\" target=\"_blank\" rel=\"noreferrer noopener\">levofloxacin<\/a><\/strong> or <strong><a href=\"https:\/\/pharmeasy.in\/molecules\/moxifloxacin-7929\" target=\"_blank\" rel=\"noreferrer noopener\">moxifloxacin<\/a><\/strong>.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>If you are admitted to the hospital but your pneumonia is not too severe, your doctors may recommend<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li>A beta-lactam antibiotic (such as <strong><a href=\"https:\/\/pharmeasy.in\/molecules\/ceftriaxone-7175\" target=\"_blank\" rel=\"noreferrer noopener\">ceftriaxone<\/a><\/strong>) along with a macrolide (such as azithromycin or doxycycline).\u00a0<\/li>\n\n\n\n<li>Alternatively, a single respiratory fluoroquinolone (such as levofloxacin) may be used. However, it is important to note that overuse of these respiratory fluoroquinolones may lead to resistance to the antibiotic and an increased risk of <em>Clostridium difficile<\/em> infection<a href=\"https:\/\/journals.asm.org\/doi\/10.1128\/aac.00125-17\"><sup>14<\/sup><\/a>.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>If you are admitted to the hospital and your pneumonia is severe, your treatment will be more aggressive and usually includes<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li>A beta-lactam antibiotic plus a macrolide\u00a0<\/li>\n\n\n\n<li>Alternatively, your doctor may recommend a beta-lactam antibiotic along with a respiratory fluoroquinolone.\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Prevention_of_Bacterial_Pneumonia\"><\/span><strong>Prevention of Bacterial Pneumonia<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/08045220\/prevention-of-bacterial-Pneumonia-1024x683.webp\" alt=\"prevention of bacterial pneumonia\" class=\"wp-image-247764\" srcset=\"https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/08045220\/prevention-of-bacterial-Pneumonia-1024x683.webp 1024w, https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/08045220\/prevention-of-bacterial-Pneumonia-375x250.webp 375w, https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/08045220\/prevention-of-bacterial-Pneumonia-768x512.webp 768w, https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/08045220\/prevention-of-bacterial-Pneumonia-741x494.webp 741w, https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/08045220\/prevention-of-bacterial-Pneumonia-480x320.webp 480w, https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/08045220\/prevention-of-bacterial-Pneumonia-720x480.webp 720w, https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/08045220\/prevention-of-bacterial-Pneumonia-150x100.webp 150w, https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/08045220\/prevention-of-bacterial-Pneumonia.webp 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>Certain tips that you can follow to reduce your risk of pneumonia include<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>7<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.cdc.gov\/pneumonia\/prevention\/index.html\"><sup>9<\/sup><\/a>:\u00a0\u00a0<\/p>\n\n\n\n<ul>\n<li>Ensure good hand hygiene by washing your hands regularly with warm water and soap.\u00a0<\/li>\n\n\n\n<li>Avoid smoking and alcohol consumption.\u00a0<\/li>\n\n\n\n<li>Maintain good oral hygiene, as poor oral hygiene is a risk factor for bacterial pneumonia.\u00a0<\/li>\n\n\n\n<li>Ensure prompt medical care if you have chronic conditions such as asthma.\u00a0<\/li>\n\n\n\n<li>Consult your doctor regarding the following <strong><a href=\"https:\/\/pharmeasy.in\/vaccinations\" target=\"_blank\" rel=\"noreferrer noopener\">vaccinations<\/a><\/strong> for infants and children to prevent <strong>pneumonia:\u00a0<\/strong>\n<ul>\n<li><strong><em>H. influenzae<\/em> type b vaccination (Hib Vaccination): <\/strong>Recommended for infants and children under 5 years of age. The vaccination schedule can be a 3-dose series with doses taken at 2, 4, and 6 months plus a booster dose at 12-15 months or a 2-dose series with doses taken at 2 and 4\u202fmonths plus a booster dose)<a href=\"https:\/\/www.cdc.gov\/hi-disease\/vaccines\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>15<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8482018\/\"><sup>16<\/sup><\/a>\u00a0<\/li>\n\n\n\n<li><strong>Pertussis vaccination (DTaP \/ Tdap Vaccination):<\/strong> The DTaP vaccine is administered during childhood, while the Tdap booster is advised for adolescents and adults, especially for pregnant women. However, this vaccination does not directly prevent bacterial pneumonia<a href=\"https:\/\/www.cdc.gov\/pertussis\/vaccines\/index.html\"><sup>17<\/sup><\/a>.\u00a0<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/pharmeasy.in\/molecules\/pneumococcal-polysaccharide-vaccine-2530\" target=\"_blank\" rel=\"noreferrer noopener\">Pneumococcal vaccination<\/a> (PCV 15\/PCV20 and PPSV23): <\/strong>Helps protect against <em>S.\u202fpneumoniae<\/em>. This vaccination is recommended for all children under 5 years of age and for children and adults with chronic conditions like diabetes and chronic lung disease<a href=\"https:\/\/www.cdc.gov\/pneumococcal\/vaccines\/index.html\"><sup>18<\/sup><\/a>.\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>By following these steps, you can reduce your risk of developing bacterial pneumonia and improve your overall health<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>.\u00a0<\/p>\n\n\n\n<p><strong><em>Also Read: <a href=\"https:\/\/pharmeasy.in\/blog\/vaccine-is-bronchitis-contagious-causes-transmission-symptoms-treatment\/\" target=\"_blank\" rel=\"noreferrer noopener\">Is Bronchitis Contagious? Causes, Transmission, Symptoms &amp; Treatment\u00a0<\/a><\/em><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Complications_of_Untreated_Bacterial_Pneumonia\"><\/span><strong>Complications of Untreated Bacterial Pneumonia<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>If left untreated, bacterial pneumonia can lead to complications like<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>:\u00a0<\/p>\n\n\n\n<ul>\n<li>Fluid buildup around the lungs (pleural effusion)\u00a0<\/li>\n\n\n\n<li>Pus collection in the lung area (empyema)\u00a0<\/li>\n\n\n\n<li>Infection in the lung (lung abscess)\u00a0<\/li>\n\n\n\n<li>Breathing difficulty due to lung damage\u00a0<\/li>\n\n\n\n<li>Residual lung scarring after severe pneumonia or acute respiratory distress syndrome (ARDS)<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6709677\/\"><sup>19<\/sup><\/a>\u00a0<\/li>\n\n\n\n<li>Widespread infection in the body (sepsis)\u00a0<\/li>\n\n\n\n<li>Bacteria in the bloodstream (bacteraemia)\u00a0<\/li>\n\n\n\n<li>Low oxygen levels in the blood (hypoxemia)\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Early diagnosis and proper treatment of bacterial pneumonia can help prevent serious and potentially life-threatening complications<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>.\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 Doctor<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>You should <a href=\"https:\/\/pharmeasy.in\/online-doctor-consultation\/\" target=\"_blank\" rel=\"noreferrer noopener\">consult a doctor<\/a> for bacterial pneumonia if you experience symptoms like a persistent cough, chest pain, difficulty breathing, or a high fever<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>.\u00a0<\/p>\n\n\n\n<p>You should seek immediate medical attention if you are at an increased risk of developing bacterial pneumonia (if you are an adult over 65 years of age, a child under 5 years of age, or if you are facing any other chronic medical conditions)<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\"><sup>7<\/sup><\/a>.\u00a0<\/p>\n\n\n\n<p><strong><em>Also Read: <a href=\"https:\/\/pharmeasy.in\/blog\/vaccine-is-pneumonia-contagious-causes-transmission-symptoms-treatment\/\" target=\"_blank\" rel=\"noreferrer noopener\">Is Pneumonia Contagious? Causes, Transmission, Symptoms &amp; Treatment\u00a0<\/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>Bacterial pneumonia is a serious infection that continues to pose a major global health challenge. Understanding its causes, risk factors, symptoms, and the importance of timely diagnosis and appropriate antibiotic treatment is key to improving outcomes. Preventive measures such as good hygiene, vaccination, and lifestyle modifications play a crucial role in reducing the risk of bacterial pneumonia. Most importantly, early medical attention, especially for high-risk individuals, can significantly lower the chances of complications and ensure better recovery.\u00a0<\/p>\n\n\n\n<p><strong><em>Also Read: <a href=\"https:\/\/pharmeasy.in\/blog\/vaccine-lobar-pneumonia-what-is-it-causes-symptoms-treatment\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lobar Pneumonia: What Is It, Causes, Symptoms &amp; Treatment<\/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 (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-1754384429339\"><strong class=\"schema-faq-question\"><strong>Can bacterial pneumonia recur after treatment?<\/strong>\u00a0<\/strong> <p class=\"schema-faq-answer\">Yes, bacterial pneumonia can recur after treatment. The chances of recurrence are increased in individuals with underlying health conditions, weakened immunity, or poor lung function. Recurrence may also happen if the initial infection wasn\u2019t completely treated<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\"><sup>3<\/sup><\/a><sup>,<\/sup><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>7<\/sup><\/a>.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1754384439388\"><strong class=\"schema-faq-question\"><strong>When will my symptoms start to improve?<\/strong>\u00a0<\/strong> <p class=\"schema-faq-answer\">Most patients show improvement in 48 to 72 hours. If there is no improvement, an alternative cause should be suspected<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>3<\/sup><\/a>.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1754384449741\"><strong class=\"schema-faq-question\"><strong>Can bacterial pneumonia develop as a complication of viral pneumonia?<\/strong>\u00a0<\/strong> <p class=\"schema-faq-answer\">Yes, bacterial pneumonia can often develop as a secondary infection following viral illnesses like COVID-19 or influenza, often worsening the clinical outcome<a href=\"https:\/\/medlineplus.gov\/ency\/article\/000073.htm\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>11<\/sup><\/a>.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1754384457956\"><strong class=\"schema-faq-question\"><strong>What benefits does walking have for individuals with bacterial pneumonia?<\/strong>\u00a0<\/strong> <p class=\"schema-faq-answer\">Mild physical activity like walking can aid recovery; however, strenuous exercise should be avoided until your doctor confirms full recovery and lung function is stable. Consult your doctor to understand if exercises are suitable for your condition<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC7244731\/\"><sup>20<\/sup><\/a>.\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>\n<li>Troeger C, Blacker B, Khalil IA, Rao PC, Cao J, Zimsen SRM, et al. Estimates of the global, regional, and national morbidity, mortality, and aetiologies of lower respiratory infections in 195 countries, 1990\u20132016: a systematic analysis for the Global Burden of Disease Study 2016. The Lancet Infectious Diseases [Internet]. 2018 Nov;18(11):1191\u2013210.\u00a0Available from:<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6202443\/\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6202443\/<\/a>\u00a0<\/li>\n\n\n\n<li>Pneumonia [Internet]. NHLBI, NIH. 2022.\u00a0\u00a0Available from<a href=\"https:\/\/www.nhlbi.nih.gov\/health\/pneumonia\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/www.nhlbi.nih.gov\/health\/pneumonia<\/a>\u00a0<\/li>\n\n\n\n<li>Sattar A, Sharma S. Bacterial Pneumonia [Internet]. National Library of Medicine. StatPearls Publishing; 2024.\u00a0Available from:<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513321\/<\/a>\u00a0<\/li>\n\n\n\n<li>Pneumonia \u2013 Causes and Risk Factors. NHLBI, NIH [Internet]. 2022.\u00a0Available from:<a href=\"https:\/\/www.nhlbi.nih.gov\/health\/pneumonia\/causes\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/www.nhlbi.nih.gov\/health\/pneumonia\/causes<\/a>\u00a0<\/li>\n\n\n\n<li>Loughran AJ, Orihuela CJ, Tuomanen EI. Streptococcus pneumoniae: Invasion and Inflammation. Microbiology Spectrum [Internet]. 2019 Mar 22;7(2).\u00a0Available from:<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC6422050\/\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC6422050\/<\/a>\u00a0<\/li>\n\n\n\n<li>Miyashita N. Atypical pneumonia: Pathophysiology, diagnosis, and treatment. Respiratory Investigation [Internet]. 2021 Nov;60(1).\u00a0Available from:<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34750083\/\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/pubmed.ncbi.nlm.nih.gov\/34750083\/<\/a>\u00a0<\/li>\n\n\n\n<li>Pahal P, Rajasurya V, Sharma S. Typical Bacterial Pneumonia [Internet]. National Library of Medicine. StatPearls Publishing; 2023.\u00a0Available from:<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534295\/<\/a>\u00a0<\/li>\n\n\n\n<li>Kohbodi GA, Rajasurya V, Noor A. Ventilator-associated Pneumonia [Internet]. PubMed. Treasure Island (FL): StatPearls Publishing; 2023.\u00a0Available from:<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK507711\/\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK507711\/<\/a>\u00a0<\/li>\n\n\n\n<li>Pneumonia Prevention and Control [Internet]. Centre for Disease Control. 2024.\u00a0\u00a0Available from:<a href=\"https:\/\/www.cdc.gov\/pneumonia\/prevention\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/www.cdc.gov\/pneumonia\/prevention\/index.html<\/a>\u00a0<\/li>\n\n\n\n<li>Risk Factors for Pneumonia [Internet]. Centre for Disease Control. 2024. Available from: <a href=\"https:\/\/www.cdc.gov\/pneumonia\/risk-factors\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.cdc.gov\/pneumonia\/risk-factors\/index.html\u00a0<\/a><\/li>\n\n\n\n<li>Viral pneumonia [Internet]. MedlinePlus Medical Encyclopedia.\u00a0Available from:<a href=\"https:\/\/medlineplus.gov\/ency\/article\/000073.htm\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/medlineplus.gov\/ency\/article\/000073.htm<\/a>\u00a0<\/li>\n\n\n\n<li>Ostergaard L, Huniche B, Andersen PL. Relative bradycardia in infectious diseases. The Journal of Infection [Internet]. 1996 Nov 1;33(3):185\u201391.\u00a0Available from:<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/8945708\/\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/pubmed.ncbi.nlm.nih.gov\/8945708\/<\/a>\u00a0<\/li>\n\n\n\n<li>Patterson CM, Loebinger MR. Community acquired pneumonia: assessment and treatment. Clinical Medicine [Internet]. 2012 Jun;12(3):283\u20136.\u00a0\u00a0Available from:<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4953496\/\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4953496\/<\/a>\u00a0<\/li>\n\n\n\n<li>Shea KM, Hobbs ALV, Jaso TC, Bissett JD, Cruz CM, Douglass ET, et al. Effect of a Health Care System Respiratory Fluoroquinolone Restriction Program To Alter Utilization and Impact Rates of Clostridium difficile Infection. Antimicrobial Agents and Chemotherapy [Internet]. 2017 Jun;61(6).\u00a0 Available from:<a href=\"https:\/\/journals.asm.org\/doi\/10.1128\/aac.00125-17\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/journals.asm.org\/doi\/10.1128\/aac.00125-17<\/a>\u00a0<\/li>\n\n\n\n<li>Hib Vaccination [Internet]. Centre for Disease Control. 2024.\u00a0Available from:<a href=\"https:\/\/www.cdc.gov\/hi-disease\/vaccines\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/www.cdc.gov\/hi-disease\/vaccines\/index.html<\/a>\u00a0<\/li>\n\n\n\n<li>Gilsdorf JR. Hib Vaccines: Their Impact on Haemophilus influenzae Type b Disease. The Journal of Infectious Diseases [Internet]. 2021 Sep 30;224(Supplement_4):S321\u201330.\u00a0\u00a0Available from:<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8482018\/\" target=\"_blank\" rel=\"noreferrer noopener\"> https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8482018\/<\/a>\u00a0<\/li>\n\n\n\n<li>Whooping Cough Vaccination [Internet]. Centre for Disease Control. 2024.\u00a0Available from:<a href=\"https:\/\/www.cdc.gov\/pertussis\/vaccines\/index.html\"> https:\/\/www.cdc.gov\/pertussis\/vaccines\/index.html<\/a>\u00a0<\/li>\n\n\n\n<li>Pneumococcal Vaccination [Internet]. Centre for Disease Control. 2024.\u00a0Available from:<a href=\"https:\/\/www.cdc.gov\/pneumococcal\/vaccines\/index.html\"> https:\/\/www.cdc.gov\/pneumococcal\/vaccines\/index.html<\/a>\u00a0<\/li>\n\n\n\n<li>Matthay MA, Zemans RL, Zimmerman GA, Arabi YM, Beitler JR, Mercat A, et al. Acute Respiratory Distress Syndrome. Nature Reviews Disease Primers [Internet]. 2019 Mar 14;5(1).\u00a0 Available from:<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6709677\/\"> https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6709677\/<\/a>\u00a0<\/li>\n\n\n\n<li>Ikeda T, Inoue S, Konta T, Murakami M, Fujimoto S, Iseki K, et al. Can Daily Walking Alone Reduce Pneumonia-Related Mortality among Older People? Scientific Reports [Internet]. 2020 May 22;10.\u00a0Available from:<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC7244731\/\"> https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC7244731\/<\/a>\u00a0<\/li>\n\n\n\n<li>Wang S, Dunn N. Leptospirosis. [Updated 2024 Sep 10]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441858\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441858\/<\/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<\/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=\"247400\" 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\">1    <\/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=\"247400\" 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 Pneumonia is one of the leading causes of mortality in the world, making it a global health concern1. It is a serious infection that affects your lungs by causing inflammation and fluid or pus accumulation in the alveoli (air sacs) of your lungs2. Bacterial pneumonia, especially from \u00a0Streptococcus pneumoniae or Haemophilus influenzae type b, [\u2026]","protected":false},"author":176,"featured_media":247409,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_wp_rev_ctl_limit":""},"categories":[1547,1],"tags":[13834,408],"acf":[],"_embedded":{"wp:featuredmedia":[{"source_url":"https:\/\/blog-images-1.pharmeasy.in\/blog\/production\/wp-content\/uploads\/2025\/08\/05090719\/bacterial-pneumonia.webp"}]},"_links":{"self":[{"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts\/247400"}],"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=247400"}],"version-history":[{"count":77,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts\/247400\/revisions"}],"predecessor-version":[{"id":274421,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/posts\/247400\/revisions\/274421"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/media\/247409"}],"wp:attachment":[{"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/media?parent=247400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/categories?post=247400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pharmeasy.in\/blog\/wp-json\/wp\/v2\/tags?post=247400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}