Dyphylline / Guaifenesin Dosage
Medically reviewed by Drugs.com. Last updated on Aug 3, 2023.
Applies to the following strengths: 200 mg-200 mg; 100 mg-100 mg/15 mL; 300 mg-300 mg/15 mL; 200 mg-100 mg; 100 mg-50 mg/5 mL; 200 mg-400 mg; 100 mg-100 mg/5 mL; 200 mg-300 mg; 100 mg-200 mg/5 mL
Usual Adult Dose for:
Additional dosage information:
Usual Adult Dose for Asthma
1 tablet orally three to four times daily
- In severe cases, the dosage may be doubled as needed.
- Adjust dose based on patient response.
Use(s): As a bronchodilator expectorant for treating bronchial asthma and for reversible bronchospasm associated with chronic bronchitis and emphysema.
Usual Adult Dose for Bronchitis
1 tablet orally three to four times daily
- In severe cases, the dosage may be doubled as needed.
- Adjust dose based on patient response.
Use(s): As a bronchodilator expectorant for treating bronchial asthma and for reversible bronchospasm associated with chronic bronchitis and emphysema.
Renal Dose Adjustments
Data not available
- Renal clearance is reduced in patients with impaired renal function.
Liver Dose Adjustments
Data not available
Precautions
CONTRAINDICATIONS:
- Hypersensitivity to any of the ingredients or related compounds
- Use is not indicated in status asthmaticus, which is a serious medical emergency
- Although the relationship of plasma dyphylline levels and toxicity is unknown, excessive doses may be expected to increase the risk of adverse effects
Safety and efficacy have not been established in patients younger than 18 years.
Consult WARNINGS section for additional precautions.
Dialysis
Data not available
Other Comments
Administration advice:
- Administering postprandially may help avoid gastric discomfort.
More about dyphylline / guaifenesin
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- Drug class: antiasthmatic combinations
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Patient resources
Other brands
Difil G, Difil-G Forte, Jay-Phyl
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
