Allegra ODT Side Effects
Generic name: fexofenadine
Note: This document contains side effect information about fexofenadine. Some of the dosage forms listed on this page may not apply to the brand name Allegra ODT.
Some side effects of Allegra ODT may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
For the Consumer
Applies to fexofenadine: oral suspension, oral tablet, oral tablet disintegrating
Get emergency medical help if you have any of these signs of an allergic reaction while taking fexofenadine (the active ingredient contained in Allegra ODT) hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop taking fexofenadine and call your doctor if you have fever, chills, body aches, cough, or other flu symptoms.
Less serious side effects of fexofenadine may include:
nausea, diarrhea, upset stomach;
drowsiness, tired feeling;
muscle or back pain.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
For Healthcare Professionals
Applies to fexofenadine: oral capsule, oral suspension, oral tablet, oral tablet disintegrating
Gastrointestinal side effects have included nausea and dyspepsia in approximately 1.5% of patients.
Nervous system side effects have included drowsiness in 1.3% of patients. Dizziness and headache have also been reported.
Genitourinary side effects have included dysmenorrhea at a rate of 1.3%.
Hypersensitivity side effects have included rare reports of rash, urticaria, and pruritus. Other hypersensitivity reactions have included angioedema, chest tightness, dyspnea, flushing, and systemic anaphylaxis.
Respiratory side effects have included nasopharyngitis and upper respiratory tract infection.
Musculoskeletal side effects have included myalgia, back pain, and pain in extremity.
More Allegra ODT resources
- Allegra ODT orally disintegrating tablets MedFacts Consumer Leaflet (Wolters Kluwer)
- Allegra ODT Advanced Consumer (Micromedex) - Includes Dosage Information
- Fexofenadine Prescribing Information (FDA)
- Allegra Prescribing Information (FDA)
- Allegra Monograph (AHFS DI)
- Allegra Consumer Overview
- Allegra MedFacts Consumer Leaflet (Wolters Kluwer)
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