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Pediatric - Chlorpheniramine Dosage Table

Chlorpheniramine dosage table

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Chlorpheniramine Dosage Table
Child's weight more than (pounds)22334455667788lbs.
Total amount (mg)1234mg
Liquid 2 mg/5 ml (tsp)½¾112tsp
Tablets 4 mg.----½½½11tablets

Indications: For allergic reactions, nasal allergies, hives and itching.

Table Notes:

  • AGE LIMIT: For allergies, don't use under 1 year of age (Reason: it's a sedative). For colds, not recommended at any age (Reason: no proven benefits) and should be avoided if under 4 years old. Avoid multi-ingredient products in children under 6 years of age (Reason: FDA recommendations 10/2008).
  • 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
  • Brompheniramine dosage is the same as chlorpheniramine dosage.


Author and Senior Reviewer: Barton D. Schmitt, M.D.

Content Set: Pediatric HouseCalls Online

Pediatric HouseCalls Online

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