{"ok":true,"entry":{"slug":"azithromycin","kind":"medication","name":"azithromycin","aliases":["Zithromax","Zmax"],"brands_sg":["Zithromax","Imexa","Azimax","Zynomax","AZmycin","Zithrotel"],"class":"macrolide antibiotic","tags":["antibiotic"],"use_for":"prescribed for bacterial infections — your doctor decides","use_after":"nhs: usually once a day, at the same time each day","use_duration":null,"take_with":"water · nhs: capsules/tablets 1 h before or 2 h after food","pros":["nhs: usually once a day","nhs: many courses run just 3 to 10 days","liquid form exists for children (nhs)"],"cons":["nausea, diarrhoea, vomiting in >1 in 100 (nhs)","nhs: can affect heartbeat — heart problems matter here","nhs: taste changes, headaches and dizziness are common"],"dose_note":"nhs states 'The usual adult dose is 500mg a day for 3 to 10 days depending on the infection being treated' and that 'For some infections, you'll be given a one-off higher dose of 1g or 2g' — 2 g as a single dose is the highest figure on that page; tablets come in 250mg and 500mg. in singapore the prescriber sets the dose.","dosage":null,"ul_status":null,"sg_class":"prescription-only","cautions":["heart problems, including irregular heartbeat (nhs)","liver or kidney problems (nhs)","myasthenia gravis — nhs: symptoms can get worse","past diarrhoea with antibiotics, or an antibiotic allergy (nhs)"],"clashes":[{"src":["nhs_azi_antacid","nhs_azi_mix"],"note":"nhs: azithromycin at least 1 hour before the antacid or at least 2 hours after — antacids affect how much is absorbed","with":"antacids for indigestion or heartburn"},{"src":["nhs_azi_mix"],"note":"nhs: azithromycin can affect heartbeat — best not combined with medicines that do the same","with":"medicines that affect heartbeat (amiodarone, sotalol, citalopram, domperidone, moxifloxacin)"},{"src":["nhs_azi_mix"],"note":"nhs lists these among medicines to tell a doctor about before starting","with":"warfarin, dabigatran, edoxaban and other clot medicines"},{"src":["nhs_azi_mix"],"note":"nhs lists these among medicines that can affect each other with azithromycin","with":"statins, digoxin, colchicine, ciclosporin, tacrolimus, rifabutin"},{"src":["nhs_azi_mix"],"note":"nhs lists these among medicines to tell a doctor about before starting","with":"ergotamine or dihydroergotamine for migraine"}],"sources":[{"id":"hsa_register","url":"https://data.gov.sg/datasets/d_767279312753558cbf19d48344577084/view","label":"HSA — Listing of Registered Therapeutic Products (data.gov.sg open dataset, 5,511 rows, pulled via datastore_search API)","quote":"All 16 registered azithromycin products are Forensicclassification 'Prescription Only' — SIN10911P ZITHROMAX TABLET 250 mg · SIN14281P Imexa Film-Coated Tablet 250mg · SIN15065P AZIMAX-250 · SIN16423P ZYNOMAX · SIN14040P AZmycin Tablet 500mg · SIN16876P ZITHROTEL","accessed":"2026-08-27"},{"id":"nhs_azi_about","url":"https://www.nhs.uk/medicines/azithromycin/about-azithromycin/","label":"NHS Medicines A-Z — About azithromycin (brand name: Zithromax)","quote":"Azithromycin is an antibiotic medicine. It's used to treat infections including: chest infections such as pneumonia; ear, nose and throat infections; skin infections; Lyme disease; some sexually transmitted infections … available on prescription as capsules, tablets and a liquid","accessed":"2026-08-27"},{"id":"nhs_azi_keyfacts","url":"https://www.nhs.uk/medicines/azithromycin/about-azithromycin/","label":"NHS Medicines A-Z — About azithromycin: key facts","quote":"You'll usually take azithromycin once a day … Take azithromycin capsules or tablets at least 1 hour before food or 2 hours after eating. You can take tablets or liquid with or without food … finish your full course","accessed":"2026-08-27"},{"id":"nhs_azi_dose","url":"https://www.nhs.uk/medicines/azithromycin/how-and-when-to-take-azithromycin/","label":"NHS Medicines A-Z — How and when to take azithromycin: dosage and strength","quote":"The usual adult dose is 500mg a day for 3 to 10 days depending on the infection. For some infections, you'll be given a one-off higher dose of 1g or 2g … tablets come in strengths of 250mg or 500mg","accessed":"2026-08-27"},{"id":"nhs_azi_antacid","url":"https://www.nhs.uk/medicines/azithromycin/how-and-when-to-take-azithromycin/","label":"NHS Medicines A-Z — How and when to take azithromycin: spacing from antacids","quote":"If you're taking antacid medicines for indigestion or heartburn, take azithromycin at least 1 hour before the antacid or at least 2 hours after. Antacids can affect how much azithromycin your body takes in","accessed":"2026-08-27"},{"id":"nhs_azi_who","url":"https://www.nhs.uk/medicines/azithromycin/who-can-and-cannot-take-azithromycin/","label":"NHS Medicines A-Z — Who can and cannot take azithromycin","quote":"Most adults and children can take azithromycin … tell your doctor if you have: ever had an allergic reaction … liver or kidney problems; heart problems, including irregular heartbeats; ever had diarrhoea when you have taken antibiotics before; myasthenia gravis; diabetes","accessed":"2026-08-27"},{"id":"nhs_azi_side","url":"https://www.nhs.uk/medicines/azithromycin/side-effects-of-azithromycin/","label":"NHS Medicines A-Z — Side effects of azithromycin","quote":"These common side effects of azithromycin happen in more than 1 in 100 people … Feeling sick (nausea) … Diarrhoea … Being sick (vomiting) … Losing your appetite … Headaches … Feeling dizzy or tired … Changes to your sense of taste","accessed":"2026-08-27"},{"id":"nhs_azi_mix","url":"https://www.nhs.uk/medicines/azithromycin/taking-azithromycin-with-other-medicines-and-herbal-supplements/","label":"NHS Medicines A-Z — Taking azithromycin with other medicines and herbal supplements","quote":"Azithromycin can affect your heartbeat, so it's best not to take it with other medicines that have the same side effect … tell your doctor … if you're taking: antacids for indigestion … warfarin … digoxin … a statin","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:12.75901+08:00"},"disclaimer":"kozen-x is not a medical device and does not give medical advice. it lists what published sources have written down. absence of a record is not the same as safe."}