Abstract
The study includes the side effects produced after the use of the antibiotics meropenem, cefotaxime sodium and cloxacillin sodium in the treatment of experimental Staphylococcus aureus septicemia in rabbits, the effect of these antibiotics was studied on phagocytosis, the study showed that the studied doses of the three antibiotics had no effect on the phagocytic activity while the bacterial infection causes a significant decrease in it's activity.