Ciprofloxacin hydrochloride is an antibiotic medication belonging to the fluoroquinolone class. It is primarily used to treat bacterial infections such as urinary tract infections, respiratory tract infections, skin infections, gastrointestinal infections, and certain types of sexually transmitted diseases. Ciprofloxacin works by inhibiting the bacterial DNA synthesis, effectively killing the bacteria causing the infection. It is available in various formulations, including tablets, oral suspensions, and intravenous solutions.