UBRELVY
What it isCGRP-receptor antagonist; acute migraine treatment.
Why this oneUnlike rimegepant, it is designed only for acute use rather than prevention and causes no coronary vasoconstriction.
What limits itStrong CYP3A4 inhibitors must be avoided; nausea, cost, and prior authorization are the usual barriers.
Read the full label on DailyMed ↗
| FDA dosing | Population | Start | Target | Max |
|---|---|---|---|---|
| Acute treatment of migraine (with or without aura) | Adults | 50 mg or 100 mg PRN | 50 mg or 100 mg PRN | 200 mg/24h |
Renal No adjustment for mild–moderate. Severe (CLcr 15–29): 50 mg initial, 50 mg second if needed. ESRD (<15): avoid
Hepatic No adjustment for mild–moderate. Severe (Child-Pugh C): 50 mg initial, 50 mg second if needed
Second dose, if needed, at least 2 hours after the initial dose; max 200 mg in 24 hours
Pregnancy No adequate human data; animal embryofetal harm at high maternally-toxic doses; pregnancy registry available
Lactation Excreted in breast milk in low amounts (relative infant dose ~0.15%); weigh benefits/risks
NO BOXED WARNINGS
Principal riskLittle; CYP3A4-dependent
Cost, est. cash$500–$1,200/month
Generic entry2039 est.
Legacy pregnancy categoryNot assigned — PLLR-era drug
Defining liabilityAgent-specific vascular, serotonergic or hepatic risks; acute overdose is usually limited outside ergot or cardiovascular agents.

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