https://365chemists.com/product/atarax-10-mg-tablet Atarax is a prescription medicine used to treat the symptoms of itching caused by allergies and anxiety. Atarax may be used alone or with other medications.Atarax belongs to a class of drugs called Antihistamines, 1st Generation, Antiemetic Agents, Antihistamines, Piperazine Derivatives. What are the possible side effects of Atarax? Atarax may cause serious side effects including: mood changes, restlessness, confusion, hallucinations, shaking, The most common side effects of Atarax include: drowsiness, dizziness, blurred vision, constipation, and dry mouth Tell your doctor if you have any side effect that bothers you or that does not go away.These are not all the possible side effects of Atarax. For more information, ask your doctor or pharmacist.Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. DESCRIPTION Atarax Hydroxyzine hydrochloride is designated chemically as 2-[2-[4-(p-Chloro-?-phenylbenzyl)-1-piperazinyl]ethoxy] ethanol dihydrochloride.Hydroxyzine hydrochloride structural formula illustration.Hydroxyzine hydrochloride occurs as a white, odorless powder which is very soluble in water. Hydroxyzine Hydrochloride Tablets USP, 10 mg, 25 mg and 50 mg contain the following inactive ingredients: anhydrous lactose, colloidal silicon dioxide, croscarmellose sodium, FD&C Yellow No. 6, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80 and titanium dioxide.