Guaifenesin 100 mg/5 mL Dosage Calculator

How to Calculate Guaifenesin 100 mg/5 mL Dose

This calculator determines the Guaifenesin dose for treating mucus and phlegm, using a concentration of Guaifenesin 100 mg/5 mL (20 mg/mL Guaifenesin), based on the patient’s age group:

Dose in mL and mg (based on Guaifenesin):

Age 4 to 5 years: 2.5 ml (50 mg) to 5 ml (100 mg) po every 4 to 6 hours prn [Max 30 ml (600 mg) per day]

Age 6 to 11 years: 5 ml (100 mg) to 10 ml (200 mg) po every 4 to 6 hours prn [Max 60 ml (1200 mg) per day]

Age 12 years and adults: 10 ml (200 mg) to 20 ml (400 mg) po every 4 to 6 hours prn [Max 120 ml (2400 mg) per day]

Where:

Age Group: Select the appropriate age group from the dropdown (Age 4 to 5 years, Age 6 to 11 years, or Age 12 years old and adults).
Concentration: Guaifenesin 100 mg/5 mL (20 mg/mL Guaifenesin).

Administer as prescribed for mucus and phlegm relief. ⚠️ Always consult a healthcare provider.

Using the Guaifenesin 100 mg/5 mL Dosage Calculator

Select the age group from the dropdown and click "Calculate." The calculator provides the dose in mL and mg (Guaifenesin) for the appropriate age group.

Example: Age Group: Age 6 to 11 years:

Dosage:
5 ml (100 mg) to 10 ml (200 mg) po every 4 to 6 hours prn
[Max 60 ml (1200 mg) per day]

Calculations must be re-checked and should not be used alone...

Consult a healthcare provider before administering.

Frequently Asked Questions (FAQ)

1. What is Guaifenesin used for?

Guaifenesin (Mucinex; Robitussin Mucus & Phlegm; Benylin Mucus & Phlegm) is used to relieve chest congestion by thinning and loosening mucus in the airways.

2. How often is this given?

Age 4 to 5 years: 2.5 ml (50 mg) to 5 ml (100 mg) po every 4 to 6 hours prn [Max 30 ml (600 mg) per day]. Age 6 to 11 years: 5 ml (100 mg) to 10 ml (200 mg) po every 4 to 6 hours prn [Max 60 ml (1200 mg) per day]. Age 12 years and adults: 10 ml (200 mg) to 20 ml (400 mg) po every 4 to 6 hours prn [Max 120 ml (2400 mg) per day].

3. Can this be used for children under 4 years?

Consult a doctor, as Guaifenesin is not typically recommended for children under 4 years without medical supervision.

4. What’s the maximum daily dose for adults?

The maximum daily dose for adults is 120 ml (2400 mg) per day.