Basics
Ciprofloxacin is an antibiotic from the group of gyrase inhibitors and fluoroquinolones that is used to treat a number of bacterial infections. These include bone and joint infections, intra-abdominal infections, certain types of infectious diarrhea, respiratory infections, skin infections, typhoid fever, and urinary tract infections. For some infections, it is used in combination with other antibiotics. It can be taken by mouth, as eye drops, as ear drops, or intravenously. Ciprofloxacin is available by prescription only.