Acute migraine attack

Acute migraine, adults — 20 or 40 mg; max single dose 40 mg

Migraine attack — 2 tablets at onset, then 1 every 30 min if needed

Acute migraine, adults — 2.5 mg with fluids

Episodic cluster headache — 300 mg at onset of the cluster period, then monthly until it ends

Acute migraine, adults — 50, 100 or 200 mg as needed

Acute migraine, adults — 1 or 2.5 mg

Acute migraine — 75 mg as needed (max 75 mg per 24 h)

Acute migraine — 6–17 y: by weight (single dose)

Acute migraine — adults: 5 or 10 mg

Acute migraine — adults: 25, 50 or 100 mg

Under 18 years

Acute migraine — 50 or 100 mg; a second dose ≥2 h later (max 200 mg/24 h)

Acute migraine, adults — 1.25 or 2.5 mg; max single dose 5 mg