Drug Dosage Tables

Chlorpheniramine Dosage

CHLORPHENIRAMINE DOSAGE (ANTIHISTAMINE)

Child's weight more than (pounds) 22 33 44 55 66 77 88 lbs.
Total amount (mg) 1 2 3 4 mg
Liquid 2 mg/5 ml (tsp) ½ ¾ 1 1 2 tsp
Tablets 4 mg. -- -- ½ ½ ½ 1 1 tablets

Table Notes:

  • AGE LIMIT: For allergies, don't use under 1 year of age (Reason: it's a sedative). For colds, routine use not indicated (no efficacy) at any age and should be avoided if under 2 years old (AAP 10/2007). Avoid multi-ingredient products in children under 6 years of age (AAP recommendations 10/2007).
  • DOSAGE: Determine by finding child's weight in the top row of the dosage table
  • ADULT DOSAGE:  4 mg. Repeat every 6-8 hours as needed
  • 6-12 years DOSAGE: 8 mg long acting tablet every 12 hours as needed
  • 12 years and older DOSAGE: 12 mg long acting tablet every 12 hours as needed

Disclaimer: This information is not intended be a substitute for professional medical advice. It is provided for educational purposes only. You assume full responsibility for how you choose to use this information.

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