ATARAX- hydroxyzine hydrochloride tablet ATARAX- hydroxyzine hydrochloride syrup Roerig. DESCRIPTION. Hydroxyzine hydrochloride is designated chemically as 1-(p-chlorobenzhydryl) 4-[2-(2-hydroxyethoxy)-ethyl] piperazine dihydrochloride. Learn about Atarax (Hydroxyzine Hydrochloride) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications. Do not take Atarax. if you are allergic (hypersensitive) to hydroxyzine hydrochloride, cetirizine, other piperazine derivatives, aminophylline or ethylenediamine, or any of the ingredients of Atarax (see Section 6 Further information) Posology. Atarax should be used at the lowest effective dose and for the shortest possible duration. In adults and children over 40 kg in weight, the maximum daily dose is 100 mg per day. Buy Atarax Atarax Online It ought to be caused if vomiting has not taken place spontaneously. Immediate abdominal lavage is additionally suggested. A: Atarax (hydroxyzine) reduces activity in the central nervous system and also acts as an antihistamine. Atarax is used to treat anxiety and tension, to relieve the skin symptoms of allergies, to. Hydroxyzine, sold under the brand names Atarax among others, is a medication of the antihistamine type. It is used in the treatment of itchiness, anxiety, and nausea, including that due to motion sickness. It is used either by mouth or injection into a muscle. Hydroxyzine (Vistaril) is an antihistamine drug used to treat allergic reactions, anxiety, tension, nausea, vomiting, and alcohol withdrawal. Common side effects are tiredness, dizziness, sleepiness, and sedation. Drug interactions, dosage, and pregnancy and breastfeeding safety information are provided. For symptomatic relief of anxiety and tension associated with psychoneurosis and as an adjunct in organic disease states in which anxiety is manifested: in adults, 50–100 mg q.i.d.; children under 6 years, 50 mg daily in divided doses and over 6 years, 50–100 mg daily in divided doses. The Atarax brand name has been discontinued in the U.S. If generic versions of this product have been approved by the FDA, there may be generic equivalents available.