Allegra-D (Fexofenadine and Pseudoephedrine) is an antihistamine and decongestant combined. The combination of these two medicines is used to treat stuffy nose, sneezing, and runny nose caused by hay fever.
Be sure to tell your doctor of any allergies you have whether it is to medication or food, preservatives, or dyes. Also, tell your doctor of any other medications you are taking, including vitamins and supplements, and any medical conditions you may have.
If you miss a dose of this medicine, take it as soon as you remember, unless it is almost time for your next dose. Do NOT double doses.
Tell your doctor as soon as possible if any of the following side effects occur: trouble sleeping; cough; dizziness; irregular heartbeat; nervousness; sore throat; difficult or labored breathing; difficulty swallowing; dizziness; fast heartbeat; feeling of warmth; fever; hives or welts; itching skin; itching, puffiness or swelling of the eyelids or around the eyes, face, lips or tongue; large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, sex organs; reddening of the skin, especially around ears; redness of the face, neck, arms and occasionally, upper chest; shortness of breath; skin rash; tightness in chest; swelling of eyes, face, or inside of nose; unusual tiredness or weakness; or wheezing.
ALLEGRA-D® (fexofenadine hydrochloride and pseudoephedrine hydrochloride) Extended-Release Tablets for oral administration contain 60 mg fexofenadine hydrochloride for immediate-release and 120mg pseudoephedrine hydrochloride for extended-release. Tablets also contain as excipients: microcrystalline cellulose, pregelatinized starch, croscarmellose sodium, magnesium stearate, carnauba wax, stearic acid, silicon dioxide, hypromellose and polyethylene glycol.
Fexofenadine hydrochloride, one of the active ingredients of ALLEGRA-D, is a histamine H1-receptor antagonist with the chemical name (±)-4-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-butyl]-a, a-dimethyl benzeneacetic acid hydrochloride and the following chemical structure: