Dionicol is a brand name for a medication containing the active ingredient thiamphenicol. Thiamphenicol is an antibiotic used to treat a variety of bacterial infections. It works by inhibiting the growth of bacteria. Common uses include treatment of respiratory tract infections, urinary tract infections, and typhoid fever. It is crucial to consult with a doctor or pharmacist before taking Dionicol Thiamphenicol to ensure it is appropriate for your condition and to discuss potential side effects and interactions with other medications.