Excessive mucus or sputum
Adult: Initially, 2,250 mg daily in divided doses, reduce to 1,500 mg daily when satisfactory response is obtained.
Child: 2-5 years 62.5-125 mg 4 times daily; 6-12 years 250 mg tid.
Child: 2-5 years 62.5-125 mg 4 times daily; 6-12 years 250 mg tid.