Hydroxyzine is used to help control anxiety and tension caused by nervous and emotional conditions. It can also be used to help control anxiety and produce sleep before surgery. Hydroxyzine is used for the short-term treatment of nervousness and tension that may occur with certain mental/mood disorders. Learn about side effects, drug interactions, dosages, warnings, and more. Hydroxyzine belongs to a group of drugs called antihistamines. This article describes the dosages of hydroxyzine oral tablet, as well as its strengths and how to take it. Hydroxyzine HCL is an antihistamine and it is used for inflammatory and allergic conditions such as snake bites, vaccination reactions, blood transfusion reactions, bee stings and insect bites, and managing itchy skin. Hydroxyzine exhibits anxiolytic and sedative properties in many psychiatric patients. Hydroxyzine is an antihistamine medication used to treat anxiety, tension, allergic skin reactions, nausea, vomiting, and to provide sedation before and after general anesthesia. It has also been used for pain, skeletal muscle relaxation, and certain bladder disorders. Hydroxyzine is sold under the brand names Atarax or Vistaril. It is used as an antihistamine to help reduce the occurrence of sneezing or runny nose. Unlike some antihistamines you can use this drug to treat allergic reactions on the skin, such as hives or contact dermatitis. Hydroxyzine is an antihistamine with anticholinergic (drying) and sedative properties that is used to treat allergic reactions. Hydroxyzine is used for the relief of pruritus (itching) caused by various allergic conditions. Overview: Hydroxyzine is an antihistamine that is used for certain types of anxiety, itching due to allergic conditions, to help you relax before and after general anesthesia, or for nausea and. Hydroxyzine is an antihistamine used to treat allergy symptoms and more. Learn how to use hydroxyzine for anxiety, its dosage, and potential side effects.