Bismuth (Bismuthum, Bi) - the element V of groups of periodic system of D. I. Mendeleev, number 83, atomic weight 208,98, the density of 9.8, temperature melting 271,3 degrees. In medical practice it is applied some drugs bismuth, with astringent and antiseptic properties [bismuth nitrate main, vikalin (see), dermatol (see), kseroforma (see) and others]. These drugs are used for treatment of gastrointestinal diseases, inflammatory processes in the skin and mucous membranes. Bismuth nitrate main (Bismuthum nitricum basicum, Bismuthum sub-nitricum) apply at a stomach ulcer and duodenal ulcer, enteritis, colitis inside of 0.25 - 0.5 g 2-3 times a day. Naruzhno applied in the form of powders and ointments (5-10%) in the treatment of burns, dermatitis, eczema. Method of production: powder and pills to 0.25-0.5, Some preparations bismuth - biyohinol, bismoverol , etc. is used in the treatment of syphilis. The mechanism of action of bismuth - see Astringents.