Skip to Content

Dextromethorphan / Pheniramine / Phenylephrine Dosage

Applies to the following strengths: 20 mg-20 mg-10 mg

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Cold Symptoms

Dextromethorphan/pheniramine/phenylephrine 20 mg-20 mg-10 mg oral powder:
Dissolve 1 packet in 8 ounces of hot water and drink in 10 to 15 minutes. May repeat every 4 hours. Not to exceed 6 packets daily.

Usual Pediatric Dose for Cold Symptoms

Dextromethorphan/pheniramine/phenylephrine 20 mg-20 mg-10 mg oral powder:
>=12 yrs: Dissolve 1 packet in 8 ounces of hot water and drink in 10 to 15 minutes. May repeat every 4 hours. Not to exceed 6 packets 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 / pheniramine / phenylephrine

Consumer resources

Other brands: Theraflu Cold & Cough

Related treatment guides