Allegra and Vistaril

• Generic Name: fexofenadine
• Dosage Forms: tablet, film coated; tablet, orally disintegrating; oral suspension
• Other Brand Names: Allegra, Allegra ODT, Aller-Ease, Children's Allegra Allergy, Mucinex Allergy, Wal-Fex, Allegra 24 Hour Allergy, Allegra Allergy, Children's Allegra ODT, Allergy Relief, Allegra OTC

Allegra (fexofenadine) is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.

Allegra is used to treat the symptoms of seasonal allergies (hay fever) in adults and children.

Allegra is also used to treat skin itching and hives caused by a condition called chronic idiopathic urticaria in adults and children.

Allegra may also be used for purposes not listed in this medication guide.

• Generic Name: hydroxyzine
• Dosage Forms: capsules and oral suspension
• Other Brand Names: Vistaril, Atarax, ANX, Vistaril IM, Hyzine, Vistaject-50, Rezine

Vistaril (hydroxyzine) reduces activity in the central nervous system. It also acts as an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of itching, or hives on the skin.

Vistaril is used as a sedative to treat anxiety and tension. It is also used together with other medications given during and after general anesthesia.

Vistaril is also used to treat allergic skin reactions such as hives or contact dermatitis.