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Diphenhydramine Pediatric

Published: July 26, 2026Updated: August 26, 2026

Wal-Dryl Children's is an over-the-counter antihistamine medication containing diphenhydramine, designed specifically for children. It is used to temporarily relieve symptoms associated with allergies, hay fever, and the common cold, including sneezing, runny nose, itchy eyes, and skin reactions. This children's formulation is available in liquid form for easier administration to younger patients.

Quick summary

Wal-Dryl Children's is an antihistamine syrup that relieves allergy and cold symptoms in children.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 2026Editorial policy

Key facts at a glance

RxNorm
1086764
Generic
Wal-Dryl Childrens
Class
brand-name
Brands
—
Availability
rx
Lactation
unknown
Routes
—
Forms
—
Regions
US, EU, CN, JP
Monitoring
—

This page is for informational purposes only.

Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.

Treats symptoms of seasonal and perennial allergies, hay fever, common cold, and allergic skin reactions. Also used for temporary relief of runny nose, sneezing, itchy/watery eyes, and itching of the nose or throat.

Contains diphenhydramine, a first-generation antihistamine that blocks H1 histamine receptors in the body, reducing allergic symptoms. It also has anticholinergic properties that help dry up excess mucus and secretions.

For children's use only; always use the provided measuring device for accurate dosing. May cause drowsiness. Consult a healthcare provider before use in children under 6 years old. Do not use to make a child sleepy. Stop use and contact a doctor if symptoms worsen or persist beyond 7 days.

Official drug label

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy