Ceftriaxone introduction:Ceftriaxone is an antibiotic useful for the treatment of a number of bacterial infections. It is a third-generation cephalosporin. Like other third-generation cephalosporins, it has broad-spectrum activity against Gram-positive bacteria and expanded Gram-negative coverage compared to second-generation agents.In most cases, it is considered to be equivalent to cefotaxime in terms of safety and efficacy...........................