Oritaxim-O 100 Tablet DT is an antibiotic that is used to treat a wide range of bacterial infections. Oritaxim-O 100 Tablet DT is an antibiotic that works by eliminating infection-causing bacteria in your body. It is useful against bacterial infections of the lungs, throat, and urinary tract, among others. This medication normally relieves your symptoms within a few days, but you should continue to take it as directed even if you feel better. Stopping it early may cause the infection to resurface and become more difficult to cure.