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We reviewed, the structure, pharmacokinetic properties, mode of actions, antibacterial spectrum, therapeutic dosage and side effects of fluoroquinolones in this article.

In this study, T-lymphocyte subsets and HLA-DR antigen (+) cells in the peripheral blood of 19 patients with acute brucellosis were determined and the results were compared to 19 healthy control subjects. Our findings suggest that exposure of the immune system to brucella microorganism and related antigens results in an increase in the circulating "activated" cell numbers (HLA-DR+) without significant alterations in the subpopulations of peripheral blood lymphocytes.

The combination of trimethoprim-sulfamethoxazole has been used successfully in various infections. However the use of the combination was limited, due to the lack of a parenteral form of the drug. In this study a parenteral (i.m.) form of trimethoprim-sulfamethoxazole was given to 35 patients with various infections due to susceptible bacteria to the drug. Twenty-four patients had urinary tract infections, and 7 had various infections with gram negative organisms, and 4 had staphylococcal infections. In patients with urinary tract infection the cure rate was 62.5%. Twenty five per cent of the patients had persistent infection after treatment, and 12,5% had superinfection. The overall cure rate was 71,4% in 35 patients. No side effect was observed.