The drug is taken orally after a meal.
With the preventive purpose of appoint:
Adults-50-100 mg / day; children 25 mg / day. During pregnancy and lactation, 300 mg / day. for 10-15 days, then for 100 mg / day.
With a therapeutic purpose appoint:
Adults - 50-100 mg / day 3-5 times a day; children 50-100 mg 2-3 times a day.
The timing of treatment depends on the nature and course of the disease and is recommended by the doctor.