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Guaifenesin / Pseudoephedrine Dosage

Medically reviewed by Drugs.com. Last updated on Dec 18, 2024.

Applies to the following strengths: 400 mg-60 mg; 600 mg-120 mg; 200 mg-30 mg; 100 mg-30 mg/5 mL; 50 mg-15 mg/5 mL; 50 mg-15 mg; 400 mg-120 mg; 600 mg-60 mg; 250 mg-120 mg; 300 mg-60 mg; 1200 mg-120 mg; 125 mg-60 mg; 200 mg-60 mg; 500 mg-120 mg; 100 mg-60 mg; 250 mg-30 mg; 800 mg-80 mg; 600 mg-45 mg; 595 mg-48 mg; 200 mg-45 mg/5 mL; 600 mg-90 mg; 795 mg-85 mg; 200 mg-40 mg/5 mL; 1200 mg-60 mg; 1200 mg-90 mg; 500 mg-60 mg; 800 mg-90 mg; 1200 mg-50 mg; 800 mg-120 mg; 250 mg-90 mg; 150 mg-30 mg; 375 mg-60 mg; 800 mg-60 mg; 380 mg-60 mg; 650 mg-90 mg; 400 mg-45 mg; 650 mg-45 mg; 50 mg-7.5 mg/mL; 400 mg-90 mg; 360 mg-60 mg; 400 mg-40 mg; 400 mg-30 mg; 400 mg-20 mg; 550 mg-60 mg; 700 mg-80 mg; 580 mg-60 mg; 780 mg-80 mg; 525 mg-50 mg; 525 mg-120 mg; 800 mg-45 mg; 1200 mg-75 mg; 1000 mg-60 mg

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Cough and Nasal Congestion

Immediate release tablets: 1 tablet orally every 4 hours
Maximum dose: 4 tablets per 24 hours

Extended release (600 mg/ 60 mg) tablets: 2 tablets orally every 12 hours
Maximum dose: 4 tablets per 24 hours

Maximum strength (1200 mg/ 120 mg) extended release tablets: 1 tablet orally every 12 hours
Maximum dose: 2 tablets per 24 hours

Usual Pediatric Dose for Cough and Nasal Congestion

Immediate release tablets:
12 years and older: 1 tablet orally every 4 hours
Maximum dose: 4 tablets per 24 hours

6 to 12 years: One half tablet orally every 4 hours
Maximum dose: 2 tablets per 24 hours

Extended release (600 mg/ 60 mg) tablets:
12 years and older: 2 tablets orally every 12 hours
Maximum dose: 4 tablets per 24 hours

Maximum strength (1200 mg/ 120 mg) extended release tablets:
12 years and older: 1 tablet orally every 12 hours
Maximum dose: 2 tablets per 24 hours

25 mg/ 7.5 mg/ mL liquid:
2 to under 6 years (11 to 21 kg): 2 mL every 4 to 6 hours
Maximum dose: 4 doses per 24 hours

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Precautions

CONTRAINDICATIONS:


Safety and efficacy have not been established in patients younger than 2 years.

Consult WARNINGS section for additional precautions.

Dialysis

Data not available

Other Comments

Administration advice:

Further information

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

Medical Disclaimer