{"ok":true,"entry":{"slug":"nystatin","kind":"medication","name":"nystatin","aliases":["Mycostatin"],"brands_sg":["PMS-Nystatin","Polygynax","Flagystatin"],"class":"polyene antifungal","tags":["other"],"use_for":"oral thrush and other candida infections (nhs)","use_after":"nhs: 4 times a day for thrush, at least 3 hours apart","use_duration":null,"take_with":"nhs: after food · swilled round the mouth, then swallowed","pros":["nhs: most adults, children and babies can take it","nhs: taking too much is unlikely to harm you","nhs: usable in pregnancy and while breastfeeding"],"cons":["diarrhoea, nausea and vomiting are the common ones","nhs: the liquid contains a small amount of sucrose","sg: prescription-only, with a narrow pharmacy exemption"],"dose_note":"the singapore pms-nystatin suspension label states ‘usual therapeutic dose is 100,000 units 4 times daily dropped into the mouth’. the hsa exemption that lets an oral liquid of ‘not more than 100,000 units per ml’ be supplied without a prescription puts the ceiling in numbers: ‘maximum daily dose … adults: 2.4 million units’, ‘infants and children 6 months and older: 400,000 units’, ‘maximum supply: 2 weeks’, ‘minimum age: 6 months’. nhs gives the same rhythm in millilitres — ‘1ml, taken 4 times a day. Leave at least 3 hours between doses’. as directed on the label or by your pharmacist/doctor.","dosage":null,"ul_status":null,"sg_class":"prescription-only","cautions":["allergy to nystatin or an ingredient — nhs: check first","sucrose intolerance — nhs: the liquid contains sucrose","tb of the skin — nhs: cream or ointment may not suit","under 6 months — sg exemption sets that minimum age"],"clashes":[],"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, cached in full and filtered locally)","quote":"All 5 registered nystatin rows read 'Prescription Only' — SIN05499P and SIN00378C PMS-NYSTATIN SUSPENSION 500,000 u/5 ml · SIN06750P NYSTATIN VAGINAL TABLET · SIN07745P POLYGYNAX · SIN03798P FLAGYSTATIN VAGINAL OVULE","accessed":"2026-08-27"},{"id":"nhs_nys_about","url":"https://www.nhs.uk/medicines/nystatin/","label":"NHS Medicines A-Z — About nystatin","quote":"Nystatin is an antifungal medicine. It's used to treat or prevent infections caused by a fungus or yeast. These include: oral thrush (mouth thrush), skin infections … Nystatin is only available on prescription.","accessed":"2026-08-27"},{"id":"nhs_nys_dose","url":"https://www.nhs.uk/medicines/nystatin/","label":"NHS Medicines A-Z — Dosage for nystatin liquid","quote":"to treat oral thrush – 1ml, taken 4 times a day. Leave at least 3 hours between doses … Nystatin is generally very safe. Taking too much liquid or using too much cream or ointment is unlikely to harm you","accessed":"2026-08-27"},{"id":"nhs_nys_how","url":"https://www.nhs.uk/medicines/nystatin/","label":"NHS Medicines A-Z — How to take nystatin liquid","quote":"It's best to take nystatin liquid after a meal or some food … Keep it in your mouth for at least 30 seconds if possible, swilling it around your mouth like a mouthwash before you swallow it.","accessed":"2026-08-27"},{"id":"nhs_nys_who","url":"https://www.nhs.uk/medicines/nystatin/","label":"NHS Medicines A-Z — Who can take or use nystatin","quote":"Most adults and children, including babies, can take nystatin liquid … tell a pharmacist or doctor if you: have ever had an allergic reaction … cannot digest some sugars … have tuberculosis (TB) of the skin","accessed":"2026-08-27"},{"id":"nhs_nys_se","url":"https://www.nhs.uk/medicines/nystatin/","label":"NHS Medicines A-Z — Common side effects of nystatin","quote":"Side effects of nystatin liquid include diarrhoea and feeling or being sick. More serious side effects can happen in rare cases.","accessed":"2026-08-27"},{"id":"nhs_nys_preg","url":"https://www.nhs.uk/medicines/nystatin/","label":"NHS Medicines A-Z — Nystatin and pregnancy, breastfeeding and fertility","quote":"You can use nystatin while you're pregnant or trying for a baby … You can use nystatin while you're breastfeeding. Nystatin has been used for many years without side effects in breastfed babies.","accessed":"2026-08-27"},{"id":"ndf_nystatin_dose","url":"https://www.ndf.gov.sg/about-drugs/product-information/SIN05499P","label":"National Drug Formulary (SG, MOH) — PMS-NYSTATIN SUSPENSION 500,000 u/5 ml [SIN05499P]: dosage","quote":"Children and Adults: Usual therapeutic dose is 100,000 units 4 times daily dropped into the mouth and held or swished throughout the mouth for some time before swallowing.","accessed":"2026-08-27"},{"id":"ndf_nystatin_exempt","url":"https://www.ndf.gov.sg/about-drugs/product-information/SIN05499P","label":"National Drug Formulary (SG, MOH) — PMS-NYSTATIN [SIN05499P]: prescription-only medicine with exemption for supply without prescription","quote":"As an oral liquid preparation containing not more than 100,000 units per ml … Maximum daily dose: Infants and children 6 months and older: 400,000 units; Adults: 2.4 million units. Maximum supply: 2 weeks. Minimum age: 6 months","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:26.600885+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."}