Ciprofloxacin (generic name), Cipro, Cipro XR (brand names) is an antibiotic prescribed for the treatment of many skin, lung, airway, bone, and joint infections caused by susceptible bacteria. Cipro is a fluoroquinolone (flor-o-KWIN-o-lone) antibiotic that fights bacteria in the body. Cipro is used to treat different types of bacterial infections. Cipro is also used to treat people who have been exposed to anthrax or certain types of plague. That antibacterial drugs including CIPRO Tablets and CIPRO Oral Suspension should only be used to treat bacterial infections. They do not treat viral infections (for example, the common cold). Find patient medical information for Ciprofloxacin (Cipro, Cipro XR, Proquin XR) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings The active ingredient in Cipro is ciprofloxacin. Cipro is a type of antibiotic called a fluoroquinolone. This article describes the dosages of Cipro, as well as its strengths and how to take it. Cipro (ciprofloxacin) is a prescription medication that’s used to treat infections caused by bacteria. Learn about uses, side effects, dosage, and more. Ciprofloxacin is used to treat bacterial infections in many different parts of the body. Ciprofloxacin oral liquid and tablets are also used to treat anthrax infection after inhalational exposure. This medicine is also used to treat and prevent plague (including pneumonic and septicemic plague). Ciprofloxacin is a fluoroquinolone (flor-o-KWIN-o-lone) antibiotic, it is used to treat different types of bacterial infections. It is also used to treat people who have been exposed to anthrax or certain types of plague. Ciprofloxacin extended-release is only approved for use in adults. Cipro (Ciprofloxacin) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Ciprofloxacin is used to treat a wide variety of infections, including infections of bones and joints, endocarditis, bacterial gastroenteritis, malignant otitis externa, bubonic plague, respiratory tract infections, cellulitis, urinary tract infections, prostatitis, anthrax, and chancroid. [4].