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Dextromethorphan / Doxylamine Dosage

Medically reviewed on April 19, 2017.

Applies to the following strengths: 30 mg-12.5 mg/10 mL; 30 mg-12.5 mg/20 mL; 30 mg-12.5 mg/30 mL; 15 mg-6.25 mg/15 mL; 7.5 mg-3.125 mg/5 mL

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Cough and Nasal Congestion

Dextromethorphan-doxylamine 15 mg-6.25 mg/15 mL oral liquid:
30 mL orally every 6 hours not to exceed 4 doses daily.

Dextromethorphan-doxylamine 7.5 mg-3.125 mg/5 mL oral liquid:
20 mL orally every 6 hours not to exceed 4 doses daily.

Usual Pediatric Dose for Cough and Nasal Congestion

Dextromethorphan-doxylamine 15 mg-6.25 mg/15 mL oral liquid:
12 years or older: 30 mL orally every 6 hours not to exceed 4 doses daily.

Dextromethorphan-doxylamine 7.5 mg-3.125 mg/5 mL oral liquid:
12 years or older: 20 mL orally every 6 hours not to exceed 4 doses daily.

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Dialysis

Data not available

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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