Dextromethorphan / Phenylephrine Dosage
Medically reviewed by Drugs.com. Last updated on Dec 28, 2020.
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 Pediatric Dose for:
Additional dosage information:
Usual Pediatric Dose for Cough and Nasal Congestion
Dextromethorphan 5 mg/ phenylephrine 2.5 mg per 5 mL liquid:
6 to under 12 years: 10 mL every 4 hours
4 to under 6 years: 5 mL every 4 hours
Maximum dose: 6 doses per 24 hours
Renal Dose Adjustments
Data not available
Liver Dose Adjustments
Data not available
Precautions
-Current use of a monoamine oxidase inhibitor (MAOI) or use within 14 days of stopping a MAOI.
-Use in children under 4 years old
Safety and efficacy have not been established in patients younger than 4 years.
Consult WARNINGS section for additional precautions.
Dialysis
Data not available
Other Comments
Administration advice:
-Use only the provided dosing cups for measuring.
Patient advice:
-Take only as directed.
-Discontinue for nervousness, dizziness, or sleepiness.
-If symptoms last over 7 days or are accompanied by fever, seek medical attention.
-If cough lasts over 7 days or comes back, or is accompanied or followed by fever, headache that lasts, or rash, seek medical care promptly.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about dextromethorphan / phenylephrine
- Side Effects
- During Pregnancy
- Drug Interactions
- En Español
- Drug class: upper respiratory combinations
- FDA Alerts (1)
Consumer resources
Other brands: Children's Triacting Daytime, PediaCare Children's Multi-Symptom Cold, Safetussin CD, Sudafed PE Children's Cold & Cough, Triaminic Day Time Cold & Cough
