Dextromethorphan / Phenylephrine Dosage
Medically reviewed on January 5, 2018.
Applies to the following strengths: 2.5 mg-1.25 mg/0.8 mL; 5 mg-2.5 mg/5 mL; 5 mg-2.5 mg; 30 mg-5 mg/10 mL
Usual Adult Dose for:
Usual Pediatric Dose for:
Additional dosage information:
Usual Adult Dose for Cough and Nasal Congestion
Dextromethorphan-phenylephrine 30 mg-5 mg/10 mL oral liquid:
10 mL orally every 6 hours not to exceed 4 doses daily.
Usual Pediatric Dose for Cough and Nasal Congestion
Dextromethorphan-phenylephrine 30 mg-5 mg/10 mL oral liquid:
6 to 11 years: 5 mL orally every 6 hours not to exceed 4 doses daily.
12 years or older: 10 mL orally every 6 hours not to exceed 4 doses daily.
Dextromethorphan-phenylephrine 5 mg-2.5 mg/5 mL oral liquid:
4 to 5 years: 5 mL orally every 4 hours not to exceed 6 doses daily.
6 to 11 years: 10 mL orally every 4 hours not to exceed 6 doses daily.
Dextromethorphan-phenylephrine 5 mg-2.5 mg oral disintegrating strip
4 to 5 years: 1 strip orally every 4 hours not to exceed 6 doses daily.
6 to 11 years: 2 strips orally every 4 hours not to exceed 6 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.
More about dextromethorphan/phenylephrine
- Dextromethorphan/phenylephrine Side Effects
- During Pregnancy
- Drug Interactions
- En Español
- Drug class: upper respiratory combinations
- FDA Alerts (1)
Consumer resources
- Dextromethorphan and phenylephrine
- Dextromethorphan and Phenylephrine Liquid
- Dextromethorphan and Phenylephrine Orally Disintegrating Strips
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