Cetirizine (EENT)

Class: Antiallergic Agents
Chemical Name: [2-[4-[(4-Chlorophenyl)phenylmethyl]-1-piperazinyl] ethoxy]-acetic acid dihydrochloride
Molecular Formula: C₂₁H₂₅Cl_lN₂O₃•2ClH
CAS Number: 83881-52-1
Brands: Zerviate

Medically reviewed by Drugs.com on Mar 15, 2022. Written by ASHP.

Introduction

Cetirizine hydrochloride is a histamine H₁-receptor antagonist.

Uses for Cetirizine (EENT)

Cetirizine hydrochloride has the following uses:

Cetirizine hydrochloride ophthalmic solution (cetirizine 0.24%) is indicated for treatment of ocular itching associated with allergic conjunctivitis.

Cetirizine (EENT) Dosage and Administration

General

Cetirizine hydrochloride is available in the following dosage form(s) and strength(s):

Sterile ophthalmic solution: 2.4 mg of cetirizine per mL (0.24%).

Dosage

It isessentialthat the manufacturer's labeling be consulted for more detailed information on dosage and administration of this drug. Dosage summary:

Pediatric Patients

The recommended dosage of cetirizine hydrochloride ophthalmic solution (cetirizine 0.24%) is one drop instilled in each affected eye twice daily (approximately 8 hours apart).

Adults

The recommended dosage of cetirizine hydrochloride ophthalmic solution (cetirizine 0.24%) is one drop instilled in each affected eye twice daily (approximately 8 hours apart).

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