
Promethazine is a first-generation H1 receptor antagonist, antihistamine and antiemetic medication. It can also have strong sedative effects and in some countries is prescribed for insomnia when benzodiazepines are contraindicated. It is a prescription drug in the United States but is available over the counter in the United Kingdom, Canada, Switzerland, Australia, and many other countries (brand names Phenergan, Promethegan, Romergan, Fargan, Farganesse, Prothiazine, Avomine, Atosil, Receptozine, Lergigan)

To be sure you get the correct dose of promethazine oral syrup, measure the liquid with a marked measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one..

PRESCRIBED FOR: Promethazine is prescribed for treating nausea or vomiting, motion sickness, and allergic reactions and for sedation.

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