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Peds Calc

Pediatric Reference

Cetirizine Side EffectsComprehensive Pediatric Safety Guide

Cetirizine is usually well tolerated. The most common effects are mild and temporary—sleepiness (in some children), dry mouth, or headache. Many children experience no drowsiness at all.

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Essential Information

1

Drowsiness or fatigue—give in evening if bothersome

2

Headache—offer rest and fluids; age‑appropriate pain relief if needed

3

Dry mouth—encourage sips of water; sugar‑free lozenges in older children

4

Rare

agitation or paradoxical excitement—seek advice if concerning

5

Rare

allergic reaction (rash, swelling, breathing trouble)—seek urgent care

Clinical Overview

Focus on comfort and routine: once‑daily dosing, consider evening administration if drowsy, and pair with non‑medicine supports.

Parent Communication Guide

Age-Appropriate Explanations

Infants (0-12 months)

Information coming soon

Toddlers (1-3 years)

Information coming soon

Children (4-12 years)

Information coming soon

Adolescents (13+ years)

Information coming soon

Common Parent Concerns

Frequently Asked Questions

Parent and clinician concerns about Cetirizine