Pharmaceutical prepn. in solid dosage form for oral admin. - contg. salt of ranitidine with bismuth carboxylate complex, and alkali salt, has antibacterial activity

摘要

Pharmaceutical prepn. comprises: (a) a salt of ranitidine (I) with a bismuth complex of tartaric or citric acid; and (b) an alkali salt. Pref., the salt is e.g. -N-(Q)-N'-methyl-2-nitro -1,1-ethenediamine-2-hydroxy -1,2,3-propanetricarboxylate -bismuth (3+).