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 Ciprofloxacin (Cipro) is an antibiotic that treats bacterial infections. It doesn’t treat viral infections. Ciprofloxacin — sold under the brand name Cipro — is a powerful broad-spectrum fluoroquinolone antibiotic used to treat over a dozen serious bacterial infections. It works by disrupting bacterial DNA replication, stopping the infection from spreading. 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). Cipro (ciprofloxacin), a fluoroquinolone antibiotic, is used to treat a wide range of bacterial infections, including certain skin, bone, joint, abdominal, prostate, respiratory and genitourinary tract infections. Cipro (ciprofloxacin), a fluoroquinolone antibiotic, is used to treat a wide range of bacterial infections, including certain skin, bone, joint, abdominal, prostate, respiratory and genitourinary tract infections. 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] Cipro (Ciprofloxacin) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. 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 indicated in adult patients for treatment of skin and skin structure infections caused by Escherichia coli, Klebsiella pneumoniae, Enterobacter cloacae, Proteus mirabilis, Proteus.