Atarax (generic: hydroxyzine) is a prescription medication used to control nausea and vomiting, to relieve itching causes by allergic conditions, and to cause sedation before and after general anesthesia and in the treatment of psychiatric disorders. Atarax belongs to a group of drugs called antihistamines. It works by blocking histamine and acetylcholine receptors in the body, and by suppressing activity in the brain.

This medication comes in tablet and syrup forms. It is usually taken up to 4 times daily, with or without food.

Common side effects include dry mouth, nausea, and drowsiness. Do not drive or operate heavy machinery until you know how it affects you.