This medication is a corticosteroid hormone (glucocorticoid). It decreases your body’s natural defensive response and reduces symptoms such as swelling and allergic-type reactions.

Dosage.

The initial dose varies from 0.75 to 9 mg a day depending on the disease being treated.

Side effects.

Side effects of Decadron (dexamethasone) may include:

• nausea,
• vomiting,
• stomach upset,
• headache,
• dizziness,
• acne,
• skin rash,
• increased hair growth,
• irregular menstrual periods,
• trouble sleeping.