Largactil : anaesthesia, psychiatry, nausea and vomiting, pain... : Phenergan promethazine, a phenothiazine derivative unique in its action : pruritis motion sickness, insomnia, drug sensitization, pre-operative tension, Parkinsonism / Poulenc Limited.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Largactil : anaesthesia, psychiatry, nausea and vomiting, pain... : Phenergan promethazine, a phenothiazine derivative unique in its action : pruritis motion sickness, insomnia, drug sensitization, pre-operative tension, Parkinsonism / Poulenc Limited. Source: Wellcome Collection.