Bactin 500 mg is an antibiotic containing Ciprofloxacin. It is used to treat a variety of bacterial infections, including urinary tract infections, respiratory tract infections, skin infections, and gastrointestinal infections. This medication works by inhibiting bacterial DNA replication, preventing the bacteria from multiplying. Bactin 500 mg is commonly prescribed for adults and may be taken twice a day, depending on the severity of the infection. Always use under medical supervision to avoid side effects and interactions with other medications.