Antihistamine Drugs, Promethazine Injection Exporter, Promethazine Hydrochloride Injection, Promethazine Injection Brand Name Understanding Promethazine Hydrochloride Injection Promethazine Hydrochloride Injection is a medication widely used in the USA, Nigeria, and Australia for its antihistamine properties. It is primarily prescribed to treat allergic reactions, nausea, and vomiting, and to enhance the effects of analgesics. Healthcare providers in these countries rely on t
