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:
- Current use of a monoamine oxidase inhibitor (MAOI) or use within 14 days of stopping a MAOI
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:
- Do not crush, break, or chew extended or sustained release tablets.
- Extended release tablets may be taken without regard for timing of meals
More about guaifenesin / pseudoephedrine
- Check interactions
- Compare alternatives
- Pricing & coupons
- Reviews (257)
- Drug images
- Side effects
- During pregnancy
- Drug class: upper respiratory combinations
Patient resources
Other brands
Mucinex D, Mucinex D Maximum Strength, Ambifed-G, Despec-SR, ... +10 more
Professional resources
Other brands
Mucinex D, Mucinex D Maximum Strength
Related treatment guides
See also:
Promethazine VC with Codeine
Promethazine VC with Codeine is used for cough and nasal congestion
Mucinex D
Mucinex D (guaifenesin and pseudoephedrine) is used to treat nasal and sinus congestion, and to ...
Ozempic
Learn about Ozempic (semaglutide) for type 2 diabetes treatment, weight management, cardiovascular ...
Robitussin Nighttime Cough DM
Robitussin Nighttime Cough DM is used for cough, cough and nasal congestion
Vicks Nyquil Cough
Vicks Nyquil Cough is used for cough, cough and nasal congestion
Dextromethorphan/guaifenesin/phenylephrine
Dextromethorphan/guaifenesin/phenylephrine systemic is used for cough and nasal congestion
Brompheniramine/dextromethorphan/pseudoephedrine
Brompheniramine/dextromethorphan/pseudoephedrine systemic is used for cough and nasal congestion
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
