Ornidazole Levo is primarily used in the treatment of infections caused by protozoa and anaerobic bacteria. It is effective in managing conditions such as amoebiasis, giardiasis, and trichomoniasis. The medication is also utilized in surgical prophylaxis to prevent infections that may arise from anaerobic bacteria during procedures. Additionally, it is employed in the treatment of periodontal infections and other dental-related anaerobic bacterial infections. Its application extends to veterinary medicine for treating similar infections in animals. The drug is typically administered orally or intravenously, depending on the severity and type of infection.