Solid antibiotic compositions containing 7.beta.-[2-(2-imino-4-thiazolin-4-yl)acetamido]-3-1-[2-(N,N-dimethylamino )ethyl]-1H-tetrazol-5-yl}thiomethyl-3-cephem-4-carboxylic acid dihydrochloride or its hydrate and a pharmaceutically acceptable carbonic acid salt are rapidly converted into an injectable solutions by the addition of a solvent, and the injectable solution shows high antibacterial activity with less local reactions when injected.
含有7.beta.-[2-(2-亚
硫代
咪唑啉-4-基)乙酰胺基]-3-1-[2-(N,N-二甲基
氨基)乙基]-
1H-四唑-5-基}
硫甲基-3-头孢
甲烷-4-
羧酸二盐酸盐或其
水合物以及一种药用可接受的
碳酸盐的固体抗生素组合物,通过添加溶剂迅速转化为注射溶液,注射溶液在注射时显示出高抗菌活性,并且注射时产生的局部反应较少。