Ciloxan is a brand name for the drug Ciprofloxacin. Ciprofloxacin is an antibiotic that belongs to the fluoroquinolone class of medications. It is used to treat various bacterial infections such as urinary tract infections, respiratory tract infections, and skin infections. Ciprofloxacin works by inhibiting the growth and reproduction of bacteria. It is effective against a wide range of bacteria, including both gram-positive and gram-negative bacteria. Therefore, Ciprofloxacin is the correct answer as it is the generic name for the brand name drug Ciloxan.