Vikalin (Vicalinum) is a complex preparation containing nitrate bismuth main, magnesium carbonate, sodium bicarbonate powder rhizomes Aira and buckthorn bark, rutin and kellin. Has astringent, antacid and mild laxative effect. Apply with ulcers stomach and duodenal ulcer and gastritis with hyperchlorhydria inside the table 1-2. 3 times a day after meals with 1/2 glass of warm water. The course of treatment is 1-3 months. When applying vikalin cal gets dark green or black. Close to vikalin in composition, indication, the method of use and dosage of the drug vikair (Vicairum).