To reduce the development of drug-resistant bacteria and maintain the effectiveness of ciprofloxacin tablets and other antibacterial drugs, ciprofloxacin tablets should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria. 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 used to treat a variety of bacterial infections. Ciprofloxacin belongs to a class of drugs called quinolone antibiotics. Learn about side effects, dosages, drug interactions, and more. Ciprofloxacin (Cipro) treats UTIs, pneumonia & more — but carries a serious FDA Black Box Warning. Learn safe dosage, side effects & drug interactions. For uncomplicated UTIs, the standard cipro dose is 250 mg twice daily for 3 days. Complicated UTIs require 500 mg twice daily for 7 to 14 days. Children receive weight-based doses, usually around 15 mg/kg twice daily, and should only use ciprofloxacin when other antibiotics are not suitable. Cipro (ciprofloxacin) is a fluoroquinolone antibiotic used to treat bacterial infections. Learn about side effects, interactions and indications. 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 Learn about ciprofloxacin (Cipro) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Ciprofloxacin is an antibiotic drug prescribed to treat a variety of bacterial infections (sinus, tooth, UTI, gonorrhea, prostatitis). Common side effects are headache, rash, and diarrhea. 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.