This plant contains substances such as essential oils, flavonoids, resins, tannins, choline, rutin, carotene, nicotinic acid and ascorbic. But the most important active ingredient - hypericin, it is also called giperikumrotom. Drugs based on St. John's wort is widely used as an astringent, anti-inflammatory, antiseptic and accelerate the healing of wounds and ulcers funds. They are used in inflammatory diseases of the stomach and intestines, and externally they are used for rinsing the mouth and throat, as well as for the treatment of wounds and skin diseases - boils, abscesses or acne. St. John's wort in the old days was called "grass of 99 diseases," as it is used in the treatment of almost all diseases. Usually, it is composed of various fees, and gastritis can be used to make tea and otdelno.Chtoby of St. John's wort, it is necessary to 2 teaspoons of herbs pour 0.3 liters of water and heated to a boil and strain through a few minutes and take 400-600 ml per day. Drink this tea must be constantly in a few weeks. We know that St. John's wort increases photosensitivity, so at the time of treatment should be possible to avoid direct sunlight.