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ALLEGRA ALLERGY vs CHILDREN'S FEXOFENADINE HYDROCHLORIDE HIVES

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate
allegra allergychildren's fexofenadine hydrochloride hives

Rating

New
New

Pharmacy pays

~$7.33 /30
~$7.33 /30

Type

OTC
RX

Active ingredient

FEXOFENADINE HYDROCHLORIDE
FEXOFENADINE HYDROCHLORIDE

Manufacturer

Chattem Sanofi
Sun Pharm Inds Inc

Dosage forms

Tablet
Tablet

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 14 hours (label: mean elimination half-life 14.4 hours)

Treats

Perennial Allergic Rhinitis, Urticaria
Perennial Allergic Rhinitis, Urticaria

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Frequently asked questions

Which is cheaper, Allegra Allergy or Children's Fexofenadine Hydrochloride Hives?

Pharmacies pay about the same to acquire either one — roughly $7.33 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Allegra Allergy and Children's Fexofenadine Hydrochloride Hives?

Both Allegra Allergy and Children's Fexofenadine Hydrochloride Hives share the active ingredient Fexofenadine Hydrochloride, but Allegra Allergy is sold as OTC and Children's Fexofenadine Hydrochloride Hives as RX.

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.