Chlorpheniramine for Allergies
Medically reviewed by a licensed pharmacist · Last reviewed 6/11/2026
Dose
Adults and children 12+ years: 4mg by mouth every 4-6 hours, max 24mg/day. Children 6-11 years: 2mg every 4-6 hours, max 12mg/day. May cause drowsiness.
What to watch for
- Narrow angle glaucoma
- Bph urinary retention
Not for children under 6.
Sources
- FDA OTC Monograph
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Where to buy
This page is for general education and is not medical advice. It does not replace a consultation with a licensed pharmacist or your clinician. Always read and follow the product label. If symptoms are severe, worsening, or persistent, seek professional care.