May
11
Promethazine DM syrup is a prescription medication that combines two primary ingredients: promethazine and dextromethorphan. Promethazine, a phenothiazine derivative, acts as an antihistamine with antiemetic (anti-nausea) and sedative properties. This component helps in reducing the effects of natural histamine in the body, offering relief from allergic reactions such as runny nose, sneezing, and itching. On […]