Amerge Dosage

Generic name: naratriptan hydrochloride
Dosage form: tablet, film coated

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Dosing Information

The recommended dose of AMERGE is 1 mg or 2.5 mg.

If the migraine returns or if the patient has only partial response, the dose may be repeated once after 4 hours, for a maximum dose of 5 mg in a 24-hour period.

The safety of treating an average of more than 4 migraine attacks in a 30‑day period has not been established.

Dosage Adjustment in Patients With Renal Impairment

AMERGE is contraindicated in patients with severe renal impairment (creatinine clearance: <15 mL/min) because of decreased clearance of the drug [see Contraindications (4), Use in Specific Populations (8.6), Clinical Pharmacology (12.3)].

In patients with mild to moderate renal impairment, the maximum daily dose should not exceed 2.5 mg over a 24‑hour period and a 1-mg starting dose is recommended [see Use in Specific Populations (8.6), Clinical Pharmacology (12.3)].

Dosage Adjustment in Patients With Hepatic Impairment

AMERGE is contraindicated in patients with severe hepatic impairment (Child-Pugh grade C) because of decreased clearance [see Contraindications (4), Use in Specific Populations (8.7), Clinical Pharmacology (12.3)].

In patients with mild or moderate hepatic impairment (Child-Pugh grade A or B), the maximum daily dose should not exceed 2.5 mg over a 24-hour period and a 1-mg starting dose is recommended [see Use in Specific Populations (8.7), Clinical Pharmacology (12.3)].

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