|  | | Interactions: |  | CisaprideAdverse Effect: Loss of cisapride efficacyClinical Management: The beneficial effects of cisapride are expected to be largely lost if an anticholinergic medication such as isopropamide is given concomitantly.ProcainamideAdverse Effect: additive antivagal effects on A-V nodal conductionClinical Management: Monitor heart rate and ECG in patients given procainamide concomitantly with Isopropamide. | 
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