Aller-Ease Side Effects
Generic name: fexofenadine
Medically reviewed by Drugs.com. Last updated on Oct 3, 2022.
Note: This document contains side effect information about fexofenadine. Some dosage forms listed on this page may not apply to the brand name Aller-Ease.
Common side effects of Aller-Ease include: headache. Other side effects include: otitis media. Continue reading for a comprehensive list of adverse effects.
Applies to fexofenadine: oral capsules and tablets, oral fixed-combination tablets.
Side effects include:
Adults and children ≥12 years of age receiving conventional capsules or tablets: Viral infection (e.g., cold, flu), nausea, dysmenorrhea, sinusitis, dizziness, drowsiness, dyspepsia, fatigue, headache, upper respiratory tract infection, back pain.
Fixed-combination fexofenadine (the active ingredient contained in Aller-Ease) hydrochloride (60 mg)/pseudoephedrine hydrochloride (120 mg): Headache, insomnia, nausea, dry mouth, dyspepsia, throat irritation, dizziness, agitation, back pain, palpitation, nervousness, anxiety, upper respiratory tract infection, abdominal pain.
For Healthcare Professionals
Applies to fexofenadine: oral capsule, oral suspension, oral tablet, oral tablet disintegrating.
The most commonly reported side effects included headache, drowsiness, dizziness, and nausea.[Ref]
Very common (10% or more): Vomiting (up to 12%)
Very common (10% or more): Headache (up to 10.3%)
Common (1% to 10%): Drowsiness, dizziness, somnolence[Ref]
Common (1% to 10%): Otitis media, pyrexia, fatigue, extremity pain[Ref]
Common (1% to 10%): Cough, upper respiratory tract infection, rhinorrhea
Common (1% to 10%): Back pain[Ref]
Common (1% to 10%): Dysmenorrhea[Ref]
Frequently asked questions
More about Aller-Ease (fexofenadine)
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- Drug class: antihistamines
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Related treatment guides
1. Product Information. Allegra (fexofenadine). Hoechst Marion Roussel. 2001.
2. Cerner Multum, Inc. UK Summary of Product Characteristics.
3. Cerner Multum, Inc. Australian Product Information.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.