{"ok":true,"entry":{"slug":"dexamethasone","kind":"medication","name":"dexamethasone","aliases":["Decadron"],"brands_sg":["Dexasone","Decan","Dexamethasone Kalceks"],"class":"corticosteroid","tags":["other"],"use_for":"inflammation, severe allergies, croup, immune conditions","use_after":"nhs: usually once a day, in the morning with breakfast","use_duration":null,"take_with":"food · healthhub: after food, to prevent stomach upset","pros":["nhs: side effects are less likely below 6mg a day","nhs: for croup, usually a single one-off dose","healthhub: also used to diagnose cushing's syndrome"],"cons":["nhs: sleep problems, mood changes and indigestion","healthhub: lowers the body's natural immune response","nhs: stopping suddenly after a high dose is risky"],"dose_note":"the nhs states the adult range and its ceiling: 'You'll usually take between 0.5mg and 10mg of dexamethasone a day. For some conditions the dose can go up to 16mg a day.' the same page notes 'Taking 1 or 2 extra dexamethasone tablets once is unlikely to harm you', and that a blue steroid card follows more than 3 weeks of treatment or more than 6mg a day. singapore-registered oral strengths are 0.5 mg, 0.75 mg and 4 mg. no singapore label text with a stated maximum was found — the NDF page for DEXAMETHASONE TABLET 4 MG carries product details only, with no indication or dosing section. the doctor sets the dose and any tapering.","dosage":null,"ul_status":null,"sg_class":"prescription-only","cautions":["recent contact with chickenpox, shingles or measles (nhs, healthhub)","an infection, tb or an unhealed wound (nhs, healthhub)","past mental health problems, or in the family — nhs: mood changes rise with dose","diabetes, high blood pressure, glaucoma or a stomach ulcer (nhs, healthhub)"],"clashes":[{"src":["nhs_dexa_int","hh_dexa_int"],"note":"nhs and healthhub both list these before starting dexamethasone","with":"warfarin and other blood-thinning medicines"},{"src":["nhs_dexa_int","hh_dexa_int"],"note":"nhs: can affect how dexamethasone works or raise side-effect risk","with":"anti-inflammatory painkillers (ibuprofen, diclofenac, high-dose aspirin)"},{"src":["nhs_dexa_int"],"note":"nhs names phenytoin, carbamazepine, phenobarbitone and primidone here","with":"epilepsy medicines and rifampicin or rifabutin"},{"src":["hh_dexa_int"],"note":"healthhub: immune-suppressing medicines to declare before starting","with":"ciclosporin or tacrolimus"},{"src":["hh_dexa_precaution"],"note":"healthhub: some vaccines may not be suitable while on dexamethasone","with":"vaccinations"}],"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 22 dexamethasone rows read 'Prescription Only'. Systemic (H02AB02): DEXASONE TABLET 0.5 mg and INJECTION · DECAN TABLET 0.75 mg and INJECTION · DEXAMETHASONE TABLET 0.5/4 mg · DEXAMETHASONE KALCEKS 4 MG/ML","accessed":"2026-08-27"},{"id":"ndf_dexa","url":"https://www.ndf.gov.sg/about-drugs/product-information/SIN07155P","label":"National Drug Formulary (SG, MOH) — DEXAMETHASONE TABLET 4 MG [SIN07155P], product information, last updated 28 Jul 2026","quote":"Forensic Classification: PRESCRIPTION ONLY MEDICINES … Anatomical Therapeutic Chemical (ATC) code H02AB02 … Prescription-only Medicines with Exemptions for Supply without Prescription: NA","accessed":"2026-08-27"},{"id":"nhs_dexa_about","url":"https://www.nhs.uk/medicines/dexamethasone-tablets-and-liquid/about-dexamethasone-tablets-and-liquid/","label":"NHS Medicines A-Z — About dexamethasone tablets and liquid (UK brands Neofordex, Glensoludex, Martapan)","quote":"used to treat a wide range of health conditions … severe skin conditions … severe allergies … sickness … croup … autoimmune conditions … available on prescription only … Common side effects include sleep problems, mood changes and indigestion","accessed":"2026-08-27"},{"id":"nhs_dexa_how","url":"https://www.nhs.uk/medicines/dexamethasone-tablets-and-liquid/how-and-when-to-take-dexamethasone-tablets-and-liquid/","label":"NHS Medicines A-Z — How and when to take dexamethasone tablets and liquid, dosage and stopping sections","quote":"You'll usually take between 0.5mg and 10mg of dexamethasone a day. For some conditions the dose can go up to 16mg a day … When used to treat croup in children, your doctor will give a single one-off dose","accessed":"2026-08-27"},{"id":"nhs_dexa_se","url":"https://www.nhs.uk/medicines/dexamethasone-tablets-and-liquid/side-effects-of-dexamethasone-tablets-and-liquid/","label":"NHS Medicines A-Z — Side effects of dexamethasone tablets and liquid","quote":"Side effects are less likely if you're on a lower dose (less than 6mg a day) … Serious side effects are more likely with higher doses (6mg a day or more)","accessed":"2026-08-27"},{"id":"nhs_dexa_who","url":"https://www.nhs.uk/medicines/dexamethasone-tablets-and-liquid/who-can-and-cannot-take-dexamethasone-tablets-and-liquid/","label":"NHS Medicines A-Z — Who can and cannot take dexamethasone tablets and liquid","quote":"tell your doctor if you have: … recently been in contact with someone with shingles, chickenpox or measles … an infection or any unhealed wounds … ever had tuberculosis (TB) … diabetes … glaucoma … a stomach ulcer","accessed":"2026-08-27"},{"id":"nhs_dexa_int","url":"https://www.nhs.uk/medicines/dexamethasone-tablets-and-liquid/taking-dexamethasone-tablets-and-liquid-with-other-medicines-and-herbal-supplements/","label":"NHS Medicines A-Z — Taking dexamethasone tablets and liquid with other medicines and herbal supplements","quote":"take medicine for heart or blood conditions, such as warfarin … antibiotics such as rifampicin or rifabutin … medicine for epilepsy, such as phenytoin, carbamazepine, phenobarbitone or primidone … non-steroidal anti-inflammatory drugs (NSAIDs)","accessed":"2026-08-27"},{"id":"hh_dexa","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/dexamethasone","label":"HealthHub (MOH Singapore / Pharmaceutical Society of Singapore) — Dexamethasone medication leaflet, 'What is this medication for?' and how to take","quote":"Dexamethasone belongs to a class of medications called corticosteroids … Reduce inflammation. Relieve allergies. Treat different diseases of the immune system. Diagnose Cushing's Syndrome … should be taken after food to prevent stomach upset","accessed":"2026-08-27"},{"id":"hh_dexa_precaution","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/dexamethasone","label":"HealthHub — Dexamethasone leaflet: precautions, infection risk and vaccinations","quote":"Dexamethasone decreases your body's natural immune response and you may be at higher risk of getting these diseases … Some vaccines may not be suitable for use in persons taking Dexamethasone","accessed":"2026-08-27"},{"id":"hh_dexa_int","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/dexamethasone","label":"HealthHub — Dexamethasone leaflet: medicines to declare before starting","quote":"Aspirin. Certain medications for pain such as Ibuprofen, Diclofenac, Naproxen … Medications to thin your blood such as Warfarin … Medications used to reduce the activity of your body's immune system such as Cyclosporin or Tacrolimus","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:18.585742+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."}