Ofloxacin + Ornidazole is used in the treatment of Bacterial & parasitic infections. View Ofloxacin + Ornidazole ’s uses , side-effects, drug interactions, expert advice and user FAQs only on 1mg.com. Dosage for Ofloxacin and Ornidazole Adults: The combination tablets of Ofloxacin and Ornidazole come in a single dose tablet containing200mg of Ofloxacin and 500mg Ornidazole . The usual adult dosage is: One tablet taken twice daily for 5 to 10 days depending on the severity of the infection. Ornilox Tablet is a combination medicine that consists of Ofloxacin and ornidazole . It is a prescription medicine used to treat diarrhoea caused by bacteria and parasites (micro-organisms that live in other's bodies and use their nutrients to reproduce) in adults. Ornilox Tablet works by killing the bacteria and parasite by blocking their reproduction process. Ornilox Tablet may cause side effects like nausea, vomiting, headache and stomach pain. Usually, these side effects are self ...