Sumatriptan Indications Nomigran is a serotonin (5-HT1B/1D) receptor agonist (triptan) indicated for acute treatment of migraine with or without aura in adults. Limitations of Use: Pharmacology Sumatriptan is an agonist for a vascular 5‑hydroxytryptamine receptor subtype (probably a member of the 5‑HT family) having only a weak affinity for 5‑HT , 5‑HT , and 5‑HT […]