The maximum daily.
Detailed Guaifenesin dosage information for adults and children. Includes dosages for Cough; plus renal, liver and dialysis adjustments.
Guaifenesin dosing information. Usual Adult Dose for Cough: Immediate release formulation: to mg orally every 4 hours as needed.
Drinking plenty of water while taking guaifenesin may help loosen mucus or phlegm in the lungs. Adults— to milligrams (mg) every four hours.