What Is Iterax Medicine?

Iterax is a first-generation antihistamine that is used to treat allergies and anxiety. Due to its sedative effects, it is sometimes used to pre-medicate patients prior to surgery. Its main ingredient is hydroxyzine diHCl.

Manufactured by GlaxoSmithKline, Iterax is a formulation that is primarily available in foreign countries, such as the Philippines. Its American formulation is known as Aterax or Vistaril.