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CETIRIZINE HYDROCHLORIDE HIVES vs OLOPATADINE HYDROCHLORIDE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate
cetirizine hydrochloride hivesolopatadine hydrochloride

Rating

New
66/100

Pharmacy pays

$0.06 /mL
$1.23 /g

Type

OTC
RX

Active ingredient

CETIRIZINE HYDROCHLORIDE
OLOPATADINE HYDROCHLORIDE

Manufacturer

Perrigo R and D
Apotex

Dosage forms

Tablet
Solution, Drops, Spray/Inhaler, Spray/Inhaler, metered

Drug class

Histamine-1 Receptor Antagonist
Histamine-1 Receptor Antagonist

Boxed warning

None
None

Half-life

about 8.3 hours (mean in healthy adults)
—

Treats

Perennial Allergic Rhinitis, Urticaria
Allergic Conjunctivitis

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Frequently asked questions

What is the difference between Cetirizine Hydrochloride Hives and Olopatadine Hydrochloride?

Cetirizine Hydrochloride Hives contains Cetirizine Hydrochloride, while Olopatadine Hydrochloride contains Olopatadine 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.