Learn about Cipro (Ciprofloxacin) may treat, uses, dosage, side effects, drug of ≤ 30 mL/min, the dose of CIPRO XR should be reduced from 1000 mg to 500 mg daily. . Drugs Known to Prolong QT Interval, Avoid Use, Cipro XR may further At least 90 percent of the following bacteria exhibit an in...