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Chlorpheniramine Dosage Table

Chlorpheniramine Dosage Table


Chlorpheniramine Dosage Table
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

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.


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.


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

Last Reviewed: 3/15/2008

Last Revised: 6/25/2008

Content Set: Pediatric HouseCalls Online

Copyright 1994-2008 Barton D. Schmitt, M.D.

St. Louis Children's Hospital is affiliated with Washington University School of Medicine.

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