Belladonna/Phenobarbital/Ergotamine

**Semantic type:** Pharmacologic Substance

**Definition:** Used to relieve stomach/intestinal symptoms, menopause (hot flashes, sweats, restlessness, and insomnia), headaches, and tachycardia, Belladona Phenobarbital Ergotamine is a combination of an Atropa belladonna alkaloid, a Claviceps purpurea (Ergotamine) alkaloid, and a synthetic barbiturate. Parasympathomimetic Belladona decreases secretion, smooth muscle stimulant Ergotamine blocks alpha-adrenergic activity, and sedative Phenobarbital induces sleep. (NCI04)

**Synonyms:** - Belladonna/Phenobarb/Ergotamine - Bellergal-S