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CHILDREN'S ZYRTEC HIVES RELIEF vs KARBINAL ER

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Possible drug interaction. CHILDREN'S ZYRTEC HIVES RELIEF and KARBINAL ER are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Rating

70/100
New

Pharmacy pays

$0.06 /mL
$0.44 /mL

Type

RX
RX

Active ingredient

CETIRIZINE HYDROCHLORIDE
CARBINOXAMINE MALEATE

Manufacturer

Dosage forms

Tablet, chewable
Suspension, extended release

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
Angioedema, Allergic Conjunctivitis, Perennial Allergic Rhinitis

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Frequently asked questions

Which is cheaper, Children's Zyrtec Hives Relief or Karbinal ER?

Children's Zyrtec Hives Relief costs pharmacies less to acquire — about $0.06 vs $0.44 per ml, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Children's Zyrtec Hives Relief and Karbinal ER?

Children's Zyrtec Hives Relief contains Cetirizine Hydrochloride, while Karbinal ER contains Carbinoxamine Maleate — 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.