Antibacterial agent for mammal use comprising cephalosporin derivatives as an effective ingredient.

摘要

The present invention is directed to antibacterial compositions for mammals including human comprising as effective ingredients cephalosporin derivatives represented by formula: <CHEM> wherein n is 1.0 to 4.0, or non-toxic salts thereof. They are excellent antibacterial agents for mammals including human. The cephalosporin derivatives have low toxicity.