salvarsan

(sal'var-san). The trade,hame of the Ehrlich-Hatta preparation ‘“‘ 606,’ or paradiamidodioxyarsenobenzol dihydrochlorid, σμῃη..- 0,N,As,2HCl, used in the treatment of syp! phil is, yaws, pernicious malaria, pernicious anemia, and other protozoan infections. It is a yellowish powder which rapidly oxydizes on exposure to air, and is, therefore, put up in vacuum tubes. As the acid solution is very painful, the Conducive ». substance is converted, immediately before injection, into an unstable sodium salt by the addition of sodium hydroxid solution. The administration is made either deeply into the muscles of the buttock or else subcutaneously. The average dose is 0.5 gm. for each 60 kilos (132 pounds) of body weight. 8s. copper, a yellowish-red powder, a combination of salvarsan and copper: suggested by Ehrlich for use in protozoan infections. s. milk. See under milk.