Roxithromycin is a generic medicine which inhibits the growth and kills the harmful microbes like bacterias and protozoa. It helps in the treatment of various body infections of chest, genitals, tonsils, skin ad others. It is highly effective on infections and health problems caused by bacterias and is ineffective on viruses. Roxithromycin are mostly available in tablet form that can be taken is best taken on an empty stomach about 15 minutes before or after food. The dosage can be taken only according to the doctor's advice as it is highly reactive and may show side effects like side effects abdominal pain, diarrhea, nausea and vomiting.