Dextromethorphan (DM) for coughs

DEXTROMETHORPHAN (DM) DOSAGE (COUGH SUPPRESSANT)

Child's weight more than (pounds) 16 32 48 64 80 96 130 lbs
Total amount (mg) 2.5 5 7.5 10 12.5 15 20 mg
Liquid 5 mg/5 ml (tsp) ½ 1 2 3 -- tsp
Liquid 7.5 mg/5 ml (tsp) -- -- 1 1 2 3 tsp
Liquid 10 mg/5 ml (tsp) -- -- -- 1 1 2 tsp

  • Indication: Cough Suppressant. Dextromethorphan (DM) is present in most cough syrups.
  • AGE LIMIT: Do not use under 4 years of age. Over 4 years of age: NOT recommended as primary treatment of cough. Use honey instead. 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: 20 mg
  • FREQUENCY: Repeat every 6-8 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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