Product Description
Promethazine is a first-generation antihistamine used for the treatment of allergic conditions, nausea and vomiting, and motion sickness.promethazine is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, and itchy skin rashes. promethazine also prevents motion sickness, and treats nausea and vomiting or pain after surgery. It is also used as a sedative or sleep aid.Promethazine belongs to a class of drugs called phenothiazines. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions.Promethazine works by preventing the release of a substance called histamine from certain cells in your body. Histamine is normally released when you're exposed to things you're allergic to, such as pollen, dander, mold, or chemicals.By preventing the release of histamine, this drug causes sleepiness and helps with pain control. This is because histamine helps regulate wakefulness and helps to keep you alert and your senses heightened.