Guaifenesin
Guaifenesin increases the volume and reduces the viscosity of secretions in the trachea and bronchi.
Dosage by Body Weight
Not recommended for children under 4 years in many countries. Encourage hydration to help thin mucus.
- Body Weight
- 10-20 kg
- Dose
- 50-100 mg
- Frequency
- Every 4 hours
- Tracking Notes
- Do not exceed 600 mg per day.
- Body Weight
- 21-40 kg
- Dose
- 100-200 mg
- Frequency
- Every 4 hours
- Tracking Notes
- Do not exceed 1200 mg per day.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| 10-20 kg | 50-100 mg | Every 4 hours | Do not exceed 600 mg per day. |
| 21-40 kg | 100-200 mg | Every 4 hours | Do not exceed 1200 mg per day. |
Formulation
Purpose
Expectorant used to thin and loosen mucus in the airways, making it easier to cough up.
Generic Name
GuaifenesinBranded Drug Names
Guaifenesin is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
Scheduled Drug
No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.
Alternatives
Safety Advice
Alcohol
CAUTIONGuaifenesin: Alcohol may increase dizziness, stomach upset, dehydration, or other side effects. Avoid or limit alcohol and follow medical advice.
Pregnancy
SAFE IF PRESCRIBEDGuaifenesin: Use during pregnancy only if prescribed after a healthcare provider weighs the benefits and risks.
Breast Feeding
SAFE IF PRESCRIBEDGuaifenesin: Use while breastfeeding only with healthcare provider guidance, especially for repeated or long-term treatment.
Driving
CAUTIONGuaifenesin: This medicine may cause dizziness, drowsiness, weakness, or blurred vision in some people. Avoid driving if affected.
Liver
CAUTIONGuaifenesin: Use with caution in liver disease and consult your healthcare provider if you have abnormal liver tests or jaundice.
Kidney
CAUTIONGuaifenesin: Use with caution in kidney disease because dose adjustment or monitoring may be needed for some patients.