About dexamethasone
Corticosteroid (glucocorticoid)
Used for
- Treats severe inflammation and allergic reactions
- Treats certain autoimmune and blood disorders
- Reduces swelling in some cancers and brain conditions
Usual adult dose
Varies widely by condition; commonly 0.5–10 mg daily, as one dose or divided doses.
Usual dose in children
Varies by condition and weight; commonly 0.02–0.3 mg/kg daily in divided doses. Specialist guidance is needed.
Common side effects
- Increased appetite, indigestion, or sleep problems
- Mood changes or restlessness
- Raised blood sugar
- Greater risk of infection
Important warnings
- Long-term use can suppress adrenal function; doses may need gradual reduction.
- Can mask or worsen infections, including chickenpox and measles.
- May affect growth in children and weaken bones with prolonged use.
- Do not stop prolonged treatment suddenly without medical guidance.
Pregnancy
Use only when the expected benefit outweighs potential risks; prolonged use may affect fetal growth.
Breastfeeding
Small amounts may enter breast milk. Larger or prolonged doses may affect milk production or the infant.
Interactions
- Nonsteroidal anti-inflammatory drugs may increase stomach-ulcer risk.
- Rifampicin, some seizure medicines, and azole antifungals can alter dexamethasone effects.
- May affect blood thinners, diabetes medicines, and vaccines.
- Live vaccines may cause infection during treatment.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.