Very useful for cystitis of grass. In this matter, rosehip has proven itself well, or rather a decoction of its roots. Finely chop the roots of rosehips, pour a liter of water 4 dining rooms (with a tip) spoon of these roots. The resulting infusion is boiled for 15 minutes, then cool and. We drink at least and no more than 4 times a day, half a glass before a meal.