Promethazine

Promethazine is an antihistamine and sedative used to treat allergies, nausea, vomiting, motion sickness, and pain after surgery. It is used to treat allergic reactions and to treat or prevent nausea and vomiting from illness or motion sickness. It is also used to help with sleeping troubles (insomnia). It can also be used to treat symptoms of the common cold. It is also used to treat severe allergic reactions or reactions to blood or plasma products. Promethazine should not be used in children younger than 2 years due to the risk of serious side effects.

Promethazine is a medication used for a variety of purposes including:

• Allergy relief: Promethazine works as an antihistamine to relieve allergy symptoms such as runny nose, itchy eyes, and hives [1].
• Nausea and vomiting: It can help prevent and treat nausea and vomiting caused by motion sickness, surgery, and other conditions [1, 2].
• Sedation: Promethazine has sedative properties and can be used to help you relax or sleep before surgery or other procedures [2, 4].

Here are some additional things to know about Promethazine:

• How it works: Promethazine works by blocking the action of histamine, a natural substance in the body that causes allergic reactions. It also has effects on other chemicals in the brain that influence nausea, vomiting, and sedation [4].
• Availability: Promethazine comes in various forms, including tablets, syrup, suppositories, and injections [1].
• Side effects: Drowsiness is a common side effect of promethazine. Other potential side effects include dizziness, dry mouth, constipation, and blurred vision [1, 3].