Skip to main content

Acetaminophen / Chlorpheniramine / Dextromethorphan Dosage

Medically reviewed by Drugs.com. Last updated on Aug 7, 2023.

Applies to the following strengths: 160 mg-1 mg-7.5 mg/5 mL; 1000 mg-4 mg-30 mg/30 mL; 160 mg-1 mg-5 mg/5 mL; 500 mg-2 mg-15 mg; 650 mg-4 mg-30 mg/30 mL; 325 mg-2 mg-10 mg

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Cold Symptoms

Acetaminophen/chlorpheniramine/dextromethorphan 500 mg-2 mg-15 mg tablets: 2 tablets orally every 6 hours, while symptoms persist, not to exceed 8 tablets in 24 hours, or as directed by a doctor.

Usual Adult Dose for Influenza

Acetaminophen/chlorpheniramine/dextromethorphan 500 mg-2 mg-15 mg tablets: 2 tablets orally every 6 hours, while symptoms persist, not to exceed 8 tablets in 24 hours, or as directed by a doctor.

Usual Pediatric Dose for Cold Symptoms

Acetaminophen/chlorpheniramine/dextromethorphan 160 mg-1 mg-5 mg/5 mL oral suspension:
Greater than or equal to 6 years to less than 12 years: 10 mL orally every 4 hours not to exceed 5 doses daily.

Acetaminophen/chlorpheniramine/dextromethorphan 160 mg-1 mg-7.5 mg/5 mL oral liquid:
Greater than or equal to 6 years to less than 12 years: 10 mL orally every 6 hours not to exceed 4 doses daily.

Acetaminophen/chlorpheniramine/dextromethorphan 500 mg-2 mg-15 mg tablets:
Greater than or equal to 12 years: 2 tablets orally every 6 hours, while symptoms persist, not to exceed 8 tablets in 24 hours, or as directed by a doctor.

Usual Pediatric Dose for Influenza

Acetaminophen/chlorpheniramine/dextromethorphan 160 mg-1 mg-5 mg/5 mL oral suspension:
Greater than or equal to 6 years to less than 12 years: 10 mL orally every 4 hours not to exceed 5 doses daily.

Acetaminophen/chlorpheniramine/dextromethorphan 160 mg-1 mg-7.5 mg/5 mL oral liquid:
Greater than or equal to 6 years to less than 12 years: 10 mL orally every 6 hours not to exceed 4 doses daily.

Acetaminophen/chlorpheniramine/dextromethorphan 500 mg-2 mg-15 mg tablets:
Greater than or equal to 12 years: 2 tablets orally every 6 hours, while symptoms persist, not to exceed 8 tablets in 24 hours, or as directed by a doctor.

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Precautions

Use with caution in patients with liver disease. Chronic use of acetaminophen is not recommended in patients with liver disease.

The elimination of chlorpheniramine may be prolonged in patients with renal dysfunction. These patients should be monitored for excessive sedation and other adverse effects that may result from chlorpheniramine accumulation.

Dialysis

Data not available

Further information

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

Medical Disclaimer