{"id":389,"date":"2025-03-27T17:13:44","date_gmt":"2025-03-27T17:13:44","guid":{"rendered":"https:\/\/rxquora.com\/en\/?p=389"},"modified":"2026-05-02T15:43:55","modified_gmt":"2026-05-02T13:43:55","slug":"purbac-uses-indications-dosage-side-effects-and-more","status":"publish","type":"post","link":"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/","title":{"rendered":"Purbac: Uses, Indications,Dosage,Side Effects, and More"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">PURBAC is classified under <strong><a href=\"https:\/\/rxzest.com\/en-za\/medicine-prescription-schedules-in-south-africa\/\" data-type=\"link\" data-id=\"https:\/\/rxzest.com\/en-za\/medicine-prescription-schedules-in-south-africa\/\" rel=\"nofollow noopener\" target=\"_blank\">Schedule 4 <\/a>(S4)<\/strong>, which means it requires a prescription for use.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Purbac is an antibiotic containing sulfamethoxazole and trimethoprim, used to treat bacterial infections such as urinary tract infections, respiratory infections, and certain types of gastrointestinal infections. It is typically taken orally, with dosage varying based on the condition being treated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PURBAC is available in the following dosage forms:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PURBAC ADULT (Tablet)<\/strong><\/li>\n\n\n\n<li><strong>PURBAC DOUBLE STRENGTH (Tablet)<\/strong><\/li>\n\n\n\n<li><strong>PURBAC PAEDIATRIC SUSPENSION<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Composition\"><\/span><strong>Composition<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><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><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Composition\" >Composition<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#PURBAC_ADULT_Tablet\" >PURBAC ADULT (Tablet)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#PURBAC_DOUBLE_STRENGTH_Tablet\" >PURBAC DOUBLE STRENGTH (Tablet)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#PURBAC_PAEDIATRIC_SUSPENSION\" >PURBAC PAEDIATRIC SUSPENSION<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Category_and_Pharmacological_Class\" >Category and Pharmacological Class<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Indications\" >Indications<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Respiratory_Tract_Infections\" >Respiratory Tract Infections:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Renal_and_Urinary_Tract_Infections\" >Renal and Urinary Tract Infections:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Gastrointestinal_Infections\" >Gastrointestinal Infections:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Genital_Infections\" >Genital Infections:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Skin_and_Soft_Tissue_Infections\" >Skin and Soft Tissue Infections:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Other_Bacterial_Infections\" >Other Bacterial Infections:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Contraindications\" >Contraindications<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Use_During_Pregnancy_and_Breastfeeding\" >Use During Pregnancy and Breastfeeding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Effect_on_Fertility_and_Ability_to_Drive\" >Effect on Fertility and Ability to Drive<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Warnings_and_Precautions\" >Warnings and Precautions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Drug_Interactions\" >Drug Interactions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Dosage_and_Administration\" >Dosage and Administration<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Standard_Dosage\" >Standard Dosage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Paediatric_Dosage_Suspension\" >Paediatric Dosage (Suspension)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Renal_Impairment_Dosage_Adjustments\" >Renal Impairment Dosage Adjustments<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Side_Effects\" >Side Effects<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Common_Side_Effects\" >Common Side Effects:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Severe_Adverse_Reactions\" >Severe Adverse Reactions:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Overdose_Management\" >Overdose Management<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/#Storage_and_Presentation\" >Storage and Presentation<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PURBAC_ADULT_Tablet\"><\/span><strong>PURBAC ADULT (Tablet)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Active Ingredients:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Trimethoprim: 80 mg<\/li>\n\n\n\n<li>Sulphamethoxazole: 400 mg<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Excipients:<\/strong> Hydrogenated vegetable oil, magnesium stearate, microcrystalline cellulose, Nipastat, pregelatinised starch, sodium starch glycolate, starch maize<\/li>\n\n\n\n<li><strong>Preservative:<\/strong> Nipastat 0.02% m\/m<\/li>\n\n\n\n<li><strong>Sugar-Free<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PURBAC_DOUBLE_STRENGTH_Tablet\"><\/span><strong>PURBAC DOUBLE STRENGTH (Tablet)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img fetchpriority=\"high\" decoding=\"async\" width=\"200\" height=\"300\" src=\"https:\/\/rxquora.com\/en\/wp-content\/uploads\/2025\/03\/PURBAC-DOUBLE-STRENGTH-200x300.jpg\" alt=\"\" class=\"wp-image-482\" srcset=\"https:\/\/rxquora.com\/en\/wp-content\/uploads\/2025\/03\/PURBAC-DOUBLE-STRENGTH-200x300.jpg 200w, https:\/\/rxquora.com\/en\/wp-content\/uploads\/2025\/03\/PURBAC-DOUBLE-STRENGTH-683x1024.jpg 683w, https:\/\/rxquora.com\/en\/wp-content\/uploads\/2025\/03\/PURBAC-DOUBLE-STRENGTH-768x1152.jpg 768w, https:\/\/rxquora.com\/en\/wp-content\/uploads\/2025\/03\/PURBAC-DOUBLE-STRENGTH.jpg 1000w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Active Ingredients:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Trimethoprim: 160 mg<\/li>\n\n\n\n<li>Sulphamethoxazole: 800 mg<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Excipients:<\/strong> Same as PURBAC ADULT<\/li>\n\n\n\n<li><strong>Preservative:<\/strong> Nipastat 0.02% m\/m<\/li>\n\n\n\n<li><strong>Sugar-Free<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PURBAC_PAEDIATRIC_SUSPENSION\"><\/span><strong>PURBAC PAEDIATRIC SUSPENSION<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Active Ingredients:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Trimethoprim: 40 mg per 5 ml<\/li>\n\n\n\n<li>Sulphamethoxazole: 200 mg per 5 ml<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Excipients:<\/strong> Aluminium magnesium silicate, aniseed oil, carmellose sodium, erythrosine powder (C.I. 45430), ethanol, Nipastat, polysorbate, purified water, sodium cyclamate, sucrose<\/li>\n\n\n\n<li><strong>Preservative:<\/strong> Nipastat 0.3% m\/v<\/li>\n\n\n\n<li><strong>Contains Sugar:<\/strong> 3 g sucrose per 5 ml<\/li>\n\n\n\n<li><strong>Contains Sweetener:<\/strong> Sodium cyclamate 20 mg<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Category_and_Pharmacological_Class\"><\/span><strong>Category and Pharmacological Class<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Category:<\/strong> A 20.2 (Antimicrobial agents, excluding antibiotics)<\/li>\n\n\n\n<li><strong>Mechanism of Action:<\/strong> PURBAC exhibits bactericidal properties through inhibition of folinic acid synthesis in bacteria, making it effective against a wide range of infections.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Indications\"><\/span><strong>Indications<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PURBAC is used to treat various infections, including:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Respiratory_Tract_Infections\"><\/span><strong>Respiratory Tract Infections:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bronchitis<\/li>\n\n\n\n<li>Sinusitis<\/li>\n\n\n\n<li>Tonsillitis<\/li>\n\n\n\n<li>Pneumonia (including <strong>Pneumocystis jirovecii pneumonia<\/strong>)<\/li>\n\n\n\n<li>Otitis media<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Renal_and_Urinary_Tract_Infections\"><\/span><strong>Renal and Urinary Tract Infections:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cystitis<\/li>\n\n\n\n<li>Pyelitis<\/li>\n\n\n\n<li>Pyelonephritis<\/li>\n\n\n\n<li>Urethritis<\/li>\n\n\n\n<li>Prostatitis<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Gastrointestinal_Infections\"><\/span><strong>Gastrointestinal Infections:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enteritis<\/li>\n\n\n\n<li>Typhoid<\/li>\n\n\n\n<li>Paratyphoid<\/li>\n\n\n\n<li>Bacillary dysentery<\/li>\n\n\n\n<li>Cholera<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Genital_Infections\"><\/span><strong>Genital Infections:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gonorrhea<\/li>\n\n\n\n<li>Bacterial infections in both males and females<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Skin_and_Soft_Tissue_Infections\"><\/span><strong>Skin and Soft Tissue Infections:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pyoderma<\/li>\n\n\n\n<li>Boils<\/li>\n\n\n\n<li>Furuncles<\/li>\n\n\n\n<li>Abscesses<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Other_Bacterial_Infections\"><\/span><strong>Other Bacterial Infections:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Brucellosis<\/li>\n\n\n\n<li>Nocardiosis<\/li>\n\n\n\n<li>Osteomyelitis<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Contraindications\"><\/span><strong>Contraindications<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PURBAC should not be used in patients with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Porphyria, liver damage, or severe renal insufficiency<\/strong><\/li>\n\n\n\n<li><strong>Megaloblastic anemia (due to folic acid deficiency)<\/strong><\/li>\n\n\n\n<li><strong>Hypersensitivity to sulphonamides or trimethoprim<\/strong><\/li>\n\n\n\n<li><strong>Pregnancy and breastfeeding<\/strong><\/li>\n\n\n\n<li><strong>Premature or newborn infants (first few weeks of life)<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use_During_Pregnancy_and_Breastfeeding\"><\/span><strong>Use During Pregnancy and Breastfeeding<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>During pregnancy:<\/strong> Contraindicated (risk of congenital defects and kernicterus in the fetus).<\/li>\n\n\n\n<li><strong>During breastfeeding:<\/strong> Contraindicated (enters breast milk, risk of jaundice in infants).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Effect_on_Fertility_and_Ability_to_Drive\"><\/span><strong>Effect on Fertility and Ability to Drive<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Effect on fertility:<\/strong> Insufficient data available.<\/li>\n\n\n\n<li><strong>Effects on ability to drive and use machines:<\/strong> May cause dizziness and weakness; caution is advised.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Warnings_and_Precautions\"><\/span><strong>Warnings and Precautions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Higher risk of <a href=\"https:\/\/rxquora.com\/en\/donapan-tablet\/\" data-type=\"link\" data-id=\"https:\/\/rxquora.com\/en\/donapan-tablet\/\">side effects<\/a> in <strong>immunocompromised patients<\/strong> (AIDS, immunosuppressive therapy)<\/li>\n\n\n\n<li>Possible <strong>severe allergic reactions<\/strong> such as <strong>erythema multiforme, toxic epidermal necrolysis, and allergic vasculitis<\/strong><\/li>\n\n\n\n<li><strong>Caution required in folate-deficient patients<\/strong>, elderly individuals, and those on pyrimethamine therapy<\/li>\n\n\n\n<li>Risk of <strong>blood disorders and thrombocytopenia<\/strong>, especially in elderly patients taking diuretics<\/li>\n\n\n\n<li><strong>Renal function monitoring<\/strong> recommended in patients with kidney disease<\/li>\n\n\n\n<li>Adequate <strong>fluid intake necessary<\/strong> to prevent crystalluria<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Drug_Interactions\"><\/span><strong>Drug Interactions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PURBAC may interact with various medications, including:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Drug Class<\/th><th>Interaction Effect<\/th><\/tr><\/thead><tbody><tr><td><strong>Anticoagulants (Warfarin)<\/strong><\/td><td>Enhanced anticoagulant effect<\/td><\/tr><tr><td><strong>Methotrexate &amp; Phenytoin<\/strong><\/td><td>Increased drug toxicity<\/td><\/tr><tr><td><strong>Diuretics (Thiazides)<\/strong><\/td><td>Increased risk of thrombocytopenia<\/td><\/tr><tr><td><strong>Oral Hypoglycemic Agents<\/strong><\/td><td>Potentiation of hypoglycemic effects<\/td><\/tr><tr><td><strong>Digoxin, Procainamide, Tolbutamide<\/strong><\/td><td>Increased drug levels due to decreased clearance<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dosage_and_Administration\"><\/span><strong>Dosage and Administration<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_Dosage\"><\/span><strong>Standard Dosage<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Age Group<\/th><th>Dosage<\/th><\/tr><\/thead><tbody><tr><td><strong>Children (6-12 years)<\/strong><\/td><td>1 PURBAC ADULT tablet every 12 hours<\/td><\/tr><tr><td><strong>Adults &amp; Children (&gt;12 years)<\/strong><\/td><td>2 PURBAC ADULT tablets or 1 PURBAC DOUBLE STRENGTH tablet every 12 hours<\/td><\/tr><tr><td><strong>Severe Cases<\/strong><\/td><td>3 PURBAC ADULT tablets or 1.5 PURBAC DOUBLE STRENGTH tablets every 12 hours<\/td><\/tr><tr><td><strong>Long-term Treatment<\/strong><\/td><td>1 PURBAC ADULT or 0.5 PURBAC DOUBLE STRENGTH tablet every 12 hours<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Paediatric_Dosage_Suspension\"><\/span><strong>Paediatric Dosage (Suspension)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Children (6-12 years):<\/strong> 10 ml twice daily (shake bottle before use)<\/li>\n\n\n\n<li><strong>Duration:<\/strong> Minimum of <strong>5 days<\/strong> or <strong>2 days post-symptom relief<\/strong><\/li>\n\n\n\n<li>If no improvement after <strong>7 days<\/strong>, reassessment is necessary<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Renal_Impairment_Dosage_Adjustments\"><\/span><strong>Renal Impairment Dosage Adjustments<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Creatinine Clearance<\/th><th>Dosage<\/th><\/tr><\/thead><tbody><tr><td>&gt; 25 ml\/min<\/td><td>Standard dosage<\/td><\/tr><tr><td>15-25 ml\/min<\/td><td>Standard for 3 days, then half dosage<\/td><\/tr><tr><td>&lt; 15 ml\/min<\/td><td>Not recommended unless on dialysis<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Side_Effects\"><\/span><strong>Side Effects<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Side_Effects\"><\/span><strong>Common Side Effects:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Skin rash<\/li>\n\n\n\n<li>Nausea, vomiting, diarrhea<\/li>\n\n\n\n<li>Headache, dizziness, insomnia, fatigue<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Severe_Adverse_Reactions\"><\/span><strong>Severe Adverse Reactions:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Allergic reactions:<\/strong> Anaphylaxis, Stevens-Johnson syndrome, toxic epidermal necrolysis<\/li>\n\n\n\n<li><strong>Hematologic disorders:<\/strong> Aplastic anemia, agranulocytosis<\/li>\n\n\n\n<li><strong>Renal issues:<\/strong> Crystalluria, renal failure<\/li>\n\n\n\n<li><strong>Neurological effects:<\/strong> Peripheral neuritis, optic neuropathy<\/li>\n\n\n\n<li><strong>Gastrointestinal disturbances:<\/strong> Pancreatitis, pseudomembranous colitis<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overdose_Management\"><\/span><strong>Overdose Management<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Symptoms:<\/strong> Severe nausea, vomiting, confusion, blood disorders<\/li>\n\n\n\n<li><strong>Treatment:<\/strong> Supportive care, hydration, folinic acid for severe cases<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Storage_and_Presentation\"><\/span><strong>Storage and Presentation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Storage:<\/strong> Keep below 25\u00b0C, protect from moisture and light<\/li>\n\n\n\n<li><strong>Packaging:<\/strong> Available in various blister packs, bottles, and suspension forms<\/li>\n\n\n\n<li><strong>Keep out of reach of children<\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>PURBAC is classified under Schedule 4 (S4), which means it requires a prescription for use. Purbac is an antibiotic containing sulfamethoxazole and trimethoprim, used to treat bacterial infections such as urinary tract infections, respiratory infections, and certain types of gastrointestinal infections. It is typically taken orally, with dosage varying based on the condition being treated. &#8230; <a title=\"Purbac: Uses, Indications,Dosage,Side Effects, and More\" class=\"read-more\" href=\"https:\/\/rxquora.com\/en\/purbac-uses-indications-dosage-side-effects-and-more\/\" aria-label=\"Read more about Purbac: Uses, Indications,Dosage,Side Effects, and More\">Read more<\/a><\/p>\n","protected":false},"author":6,"featured_media":892,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-welfare"],"_links":{"self":[{"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/posts\/389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/comments?post=389"}],"version-history":[{"count":0,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/posts\/389\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/media\/892"}],"wp:attachment":[{"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/media?parent=389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/categories?post=389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/tags?post=389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}