| promethazine | <chemical> A phenothiazine derivative with histamine h1-blocking, antimuscarinic, and sedative properties. It is used as an antiallergic, in pruritus, for motion sickness and sedation, and also in animals. Pharmacological action: anti-allergic agents, antiemetics, antipruritics, histamine h1 antagonists, sedatives, nonbarbiturate. Chemical name: 10H-Phenothiazine-10-ethanamine, N,N,alpha-trimethyl- (12 Dec 1998) |
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| promethazine hydrochloride | 10-(2-Dimethylaminopropyl)phenothiazine hydrochloride;an antihistaminic with antiemetic properties. (05 Mar 2000) |
| promethazine theoclate | Promethiazine salt of 8-chlorotheophylline; an antihistaminic drug used for motion sickness. (05 Mar 2000) |