The product was determined to be bioequivalent and, therefore, therapeutically equivalent to Pliva's Hydroxyzine Hydrochloride Tablets, a treatment for nervousness and tension. Hydroxyzine ...

To learn more about these conditions and how hydroxyzine is used for them, see the “What is hydroxyzine used for?” section below. Hydroxyzine is classified as an antihistamine. You’ll take hydroxyzine ...

Hydroxyzine HCl prescription and dosage sizes information for physicians and healthcare professionals. Pharmacology, adverse reactions, warnings and side effects.

Hydroxyzine (whose brand names include Vistaril) and Benadryl (the brand name of diphenhydramine) are both first-generation antihistamines and share many similarities, including sedating side effects.