May have additive effects on QTc interval; possible serious arrhythmias may result
No data on azithromycin, but other macrolides contraindicated with cisapride; use with caution
Clarithromycin can inhibit the metabolism of cisapride and the manufacturer states that use of these drugs together (in humans) is contraindicated
Erythromycin can inhibit the metabolism of cisapride and the manufacturer states that use of these drugs together (in humans) is contraindicated
Fluconazole may increase cisapride levels and the possibility for toxicity
Fluvoxamine may increase plasma levels of cisapride leading to toxicity
Itraconazole may increased cisapride levels and possibility for toxicity; use together contraindicated in humans
Ketoconazole may increase cisapride levels and possibility for toxicity; use together contraindicated in humans
Increased risk for prolonged QT interval
Increased risk for prolonged QT interval
Additional prolongation of QT interval