Promethazine also blocks histamine receptors in a zone of the brain called the vomiting center
Promethazine is a type of medicine called a sedating antihistamine. Phenergan is the brand name of Promethazine that works by preventing the actions of histamine.
Where Is Promethazine Used?
Promethazine is an antihistamine used to treat allergic reactions and to treat or prevent nausea and vomiting from illness or motion sickness. It is also used to make you sleep before surgery, and to help treat pain or nausea after surgery.
How Does Promethazine Work?
Histamine is a substance made by the body as part of its defense mechanisms. It causes the symptoms of allergic reactions such as inflammation in the nose or airways, rashes, and itching of the eyes, nose, throat, or skin. Promethazine blocks histamine from binding to its receptors in various parts of the body and this prevents it from causing the symptoms of an allergic reaction.
For Travel Sickness
Promethazine also blocks histamine receptors in a zone of the brain called the vomiting center. It is activated when it gets nerve messages from a part of the inner ear called the vestibular apparatus. It’s accountable for making you feel sick and for the vomiting reflex. Promethazine stops the vomiting center from being activated.
Promethazine is known as a sedating antihistamine as it enters the brain in substantial quantities and makes you feel sleepy. You can use it for short periods to help you get to sleep if you’re having trouble sleeping.
Recommended Dosage for Promethazine
Possible Side Effects of Promethazine
Common side effects:
Side effects that you should report to your doctor as soon as possible:
Precautions While Taking Promethazine
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