Dextromethorphan / Phenylephrine / Pyrilamine Dosage
Medically reviewed by Drugs.com. Last updated on Nov 23, 2021.
Applies to the following strengths: 10 mg-5 mg-8.33 mg/5 mL; 15 mg-10 mg-16 mg; 25 mg-12.5 mg-30 mg/5 mL; 15 mg-5 mg-16 mg/5 mL; 15 mg-7.5 mg-12.5 mg/5 mL; 25 mg-25 mg-30 mg; 25 mg-15.5 mg-15.5 mg/5 mL
Usual Adult Dose for:
Usual Pediatric Dose for:
Additional dosage information:
Usual Adult Dose for Allergic Rhinitis
Suspension: 5 to 10 mL orally every 12 hours.
Tablet: 1 to 2 tablets orally every 12 hours.
Liquid: 5 to 10 mL orally every 4 to 6 hours, not to exceed 60 mg of phenylephrine in 24 hours.
Usual Adult Dose for Cold Symptoms
Suspension: 5 to 10 mL orally every 12 hours.
Tablet: 1 to 2 tablets orally every 12 hours.
Liquid: 5 to 10 mL orally every 4 to 6 hours, not to exceed 60 mg of phenylephrine in 24 hours.
Usual Adult Dose for Sinusitis
Suspension: 5 to 10 mL orally every 12 hours.
Tablet: 1 to 2 tablets orally every 12 hours.
Liquid: 5 to 10 mL orally every 4 to 6 hours, not to exceed 60 mg of phenylephrine in 24 hours.
Usual Pediatric Dose for Allergic Rhinitis
2 years to <6 years:
Suspension: 2.5 mL orally every 12 hours.
Tablet: 1/2 tablet orally every 12 hours.
Liquid: 2.5 mL orally every 4 to 6 hours, not to exceed 15 mg of phenylephrine in 24 hours.
6 years to <12 years:
Suspension: 5 mL orally every 12 hours.
Tablet: 1/2 to 1 tablet orally every 12 hours.
Liquid: 5 mL orally every 4 to 6 hours, not to exceed 30 mg of phenylephrine in 24 hours.
=>12 years:
Suspension: 5 to 10 mL orally every 12 hours.
Tablet: 1 to 2 tablets orally every 12 hours.
Liquid: 5 to 10 mL orally every 4 to 6 hours, not to exceed 60 mg of phenylephrine in 24 hours.
Usual Pediatric Dose for Cold Symptoms
2 years to <6 years:
Suspension: 2.5 mL orally every 12 hours.
Tablet: 1/2 tablet orally every 12 hours.
Liquid: 2.5 mL orally every 4 to 6 hours, not to exceed 15 mg of phenylephrine in 24 hours.
6 years to <12 years:
Suspension: 5 mL orally every 12 hours.
Tablet: 1/2 to 1 tablet orally every 12 hours.
Liquid: 5 mL orally every 4 to 6 hours, not to exceed 30 mg of phenylephrine in 24 hours.
=>12 years:
Suspension: 5 to 10 mL orally every 12 hours.
Tablet: 1 to 2 tablets orally every 12 hours.
Liquid: 5 to 10 mL orally every 4 to 6 hours, not to exceed 60 mg of phenylephrine in 24 hours.
Usual Pediatric Dose for Sinusitis
2 years to <6 years:
Suspension: 2.5 mL orally every 12 hours.
Tablet: 1/2 tablet orally every 12 hours.
Liquid: 2.5 mL orally every 4 to 6 hours, not to exceed 15 mg of phenylephrine in 24 hours.
6 years to <12 years:
Suspension: 5 mL orally every 12 hours.
Tablet: 1/2 to 1 tablet orally every 12 hours.
Liquid: 5 mL orally every 4 to 6 hours, not to exceed 30 mg of phenylephrine in 24 hours.
=>12 years:
Suspension: 5 to 10 mL orally every 12 hours.
Tablet: 1 to 2 tablets orally every 12 hours.
Liquid: 5 to 10 mL orally every 4 to 6 hours, not to exceed 60 mg of phenylephrine in 24 hours.
Renal Dose Adjustments
Data not available
Liver Dose Adjustments
Data not available
Dialysis
Data not available
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.