Fexofenadine? Fexofenadrine is a common misspelling of fexofenadine.
The nonprescription drug fexofenadine (Allegra®) is used to treat seasonal allergies and chronic hives. By blocking the effects of histamine, this medication reduces the symptoms of sneezing, runny nose, and irritation of the throat and eyes. Fexofenadine comes in the form of tablets, orally disintegrating tablets, and oral suspension (liquid). Common side effects include headache, back pain, or the flu.
(To learn more, click Fexofenadine. This eMedTV article provides a complete overview of this drug, including its uses, precautions, and dosing guidelines.)