4 filter packs of 2 g or 2 filter packs of 4 g are placed in a glass or enamel ware, pour 200 ml (1 glass) of boiling water, cover with a lid and insist 15 minutes, periodically pressing on the bags with a spoon, then squeeze them. The volume of the infusion obtained is adjusted to 200 ml with boiled water. Take in a warm form 1/2 cup 2-3 times a day