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Dexamethasone
Pronounced dex-ah-METH-ah-sone
Brand names: Decadron
Type: Corticosteroid (steroid) · All Hormone & Endocrine Medicines
What Dexamethasone is used for
- Severe inflammation and allergic reactions
- Brain swelling
- Severe COVID-19 in hospital
- Nausea from chemotherapy, as part of treatment
- Testing adrenal gland function
Common side effects
- Trouble sleeping
- Mood changes
- Raised blood sugar
- Increased appetite
- Stomach upset
Important cautions
- Strongly raises blood sugar, including in people without diabetes
- Do not stop suddenly after prolonged use
How it comes
Tablets, liquid, injection (hospital), eye drops. This guide lists forms only — it never lists strengths or doses.
Related medicines — Hormone & Endocrine Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.