How is an infusion made from meadow cranesbill herb, and what is it used for? — Geranium herb 50 g Horst (geran) (герань)

According to the card, 1 teaspoon of the crushed meadow cranesbill (Geranium pratense) herb is poured over with 500 ml of boiling water, kept under a lid for 15 minutes and strained; 1/2 glass is drunk 2 times a day. The finished infusion is kept in a cool place for no more than 2 days. What the infusion is used for, the card does not say: it describes the product as a herbal drink.

General information (not a manufacturer's instruction): a herbal infusion is not a substitute for treatment; the card does not name the length of use, and it is better to discuss it with a doctor.