Cefixime 200mg Tablet DT is an antibiotic belonging that is used to treat a variety of bacterial infections. It is effective in infections of the respiratory tract (eg. pneumonia), urinary tract, ear, nasal sinus, throat, and some sexually transmitted diseases.The most common side effects of this medicine include nausea, stomach pain, indigestion, and diarrhea. These are usually mild but let your doctor know if they bother you or do not go away.