Official Answer by Drugs.com 21 Dec 2018
Here are the recommended Zytec dosage guides for infants and children under the age of 12 years old.
Up to 5 its 5 mg a day max. You can cut it in half.
- Zyrtec Information for Consumers
- Zyrtec Information for Healthcare Professionals (includes dosage details)
- Side Effects of Zyrtec (detailed)
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