ALLEGRA vs ZYRTEC ALLERGY
Independent side-by-side comparison.
Rating
New
70/100
Pharmacy pays
~$7.33 /30
$0.06 /mL
Type
RX
OTC
Active ingredient
FEXOFENADINE HYDROCHLORIDE
CETIRIZINE HYDROCHLORIDE
Manufacturer
Dosage forms
Suspension, Capsule
Capsule, Tablet, Tablet, orally disintegrating, Kit
Drug class
Histamine-1 Receptor Antagonist
Histamine-1 Receptor Antagonist
Boxed warning
None
None
Half-life
about 14 hours (label: mean elimination half-life 14.4 hours)
about 8.3 hours (mean in healthy adults)
Treats
Perennial Allergic Rhinitis, Urticaria
Perennial Allergic Rhinitis, Urticaria
Get zyrtec allergyhigher-rated option
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Where to buy
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Frequently asked questions
What is the difference between Allegra and Zyrtec Allergy?
Allegra contains Fexofenadine Hydrochloride, while Zyrtec Allergy contains Cetirizine Hydrochloride — they have different active ingredients.
Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.