Generic name: fexofenadine [ FEX-oh-FEN-a-deen ] Brand names: Allegra 12 Hour Allergy, Allegra 24 Hour Allergy, Allegra Allergy, Allegra OTC, Aller-Ease, ... show all 8 brands Dosage forms: oral suspension, oral tablet , oral disintegrating tablet Drug class: Antihistamines Medically reviewed by Carmen Pope, BPharm. Last updated on Jan 21, 2025. Uses Warnings Before taking Dosage Side effects Interactions FAQ What is fexofenadine? Fexofenadine is an antihistamine that may be used to treat ... An example of this naming convention is metformin hydrochloride , a salt form where the active ingredient is metformin, the salt (with no therapeutic action) is hydrochloride , therefore this medicine is referred to as "metformin". Why are drugs called by both their “parent drug name” and “salt” name? Methylphenidate Hydrochloride LA side effects Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat. Stimulants have caused stroke, heart attack, and sudden death in certain people. Get emergency medical help if you have signs of a heart attack or stroke: chest pain spreading to your jaw or shoulder, sudden numbness or weakness on one side of the body, slurred speech, or feeling short of breath ... Detailed dosage guidelines and administration information for Imodium (loperamide hydrochloride ). Includes dose adjustments, warnings and precautions.
