Promethazine is in a group of drugs called phenothiazines (FEEN-oh-THYE-a-zeens). It works by changing the actions of chemicals in your brain. Promethazine also acts as an antihistamine. It blocks the effects of the naturally occurring chemical histamine in your body. 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 is not for use in treating symptoms of asthma, pneumonia, or other lower respiratory tract infections. Promethazine may also be used for other purposes not listed in this medication guide.
Promethegan, generic name promethazine belongs to a group of drugs known as Antihistamines Phenothiazine antiemetics. This medication generally works by changing the actions of the chemicals in the patient's brain. This medication also acts as an antihistamine. The medication blocks the effects of the naturally occurring chemical histamine in the patient's body.
Promethegan is an antihistamine. It works by stopping production of some natural substances (histamine) in your body. Promethegan may be used to prevent and treat the following conditions:Motion sickness Nausea and vomiting, before and after surgery Allergic symptoms: rash, itching, running nose, etc. Promethegan may also be used for sleeping and controlling pain or anxiety before and after surgery. Reduce symptoms caused by hay fever. Prevent inflammation of the eye (allergic conjunctivitis).
Promethegan also helps in reducing other unwanted effects such as nausea, pain, and agitation which may affect some natural substances such as acetylcholine, and may also directly exploit some parts of the brain.
It is a prescription drug and therefore can only be taken with a doctor's prescription.