About 10 g (2 tablespoons) of crushed leaves are placed in an enamel dish, pour 200 ml (1 cup) of boiling water and closed with a lid in a boiling water bath for 15 minutes, cooled at room temperature for 45 minutes, filtered, the remaining raw materials squeeze.The volume of the infusion obtained is adjusted to 200 ml with boiled water. Apply topically in a warm form for 1 / 2-1 glass of infusion: inhalation is carried out 2 times a day; rinses 3-4 times a day. The course of treatment is 2-3 weeks. Before use, the infusion is recommended to be shaken.