Register companies and co-operatives. ENTERPRISE MAINTENANCE. If you are the owner of the contact information below, you can send updated contact information to electronic@gcis.gov.za. PO Box 429, PRETORIA, 0001 (Companies) Private Bag X400, PRETORIA, 0001 (Intellectual Property) Private Bag X237, PRETORIA, 0001 (Cooperatives) 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] Ciprofloxacin is used to treat a variety of bacterial infections. Ciprofloxacin belongs to a class of drugs called quinolone antibiotics. It works by stopping the growth of bacteria. This antibiotic treats only bacterial infections. It will not work for virus infections (such as common cold, flu). 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 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. 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).