Keflex – It is used for the treatment of infections of the upper respiratory tract, urogenital system, ENT organs, skin and soft tissues, bones and joints. Refers to a group of cephalosporin antibiotics of the first generation. It has an bactericidal effect, disrupts the synthesis of the cell wall of microorganisms. It is resistant enough to penicillinases of gram-positive microorganisms, It can be destroyed by beta-lactamases of gram-negative microorganisms.