Penicillin G procaine has a bacterial action suggest mainly gram (+) bacteria, staphylococcus and streptococcus spp. Infections caused by microorganisms susceptible to penicillin such as respiratory , uterine and alimentary bacterial infections, metritis, mastitis, osteomyelitis, peritonitis, septicemia. Dexamethasone is a synthetic glucocorticosteroid with a strong antiphlogistic, antiallergic, antistress & gluconeogenetic action.