KnowraDiltiazemLinked fromLinked fromThe 3 pages that link to Diltiazem, each with the reason it gives.All 3Compared with 3AmlodipineCompared with: Diltiazem has stronger direct cardiac effects than amlodipine’s predominantly vascular action.VerapamilCompared with: Like verapamil, it slows nodal conduction, but its balance of cardiac and vascular effects differs.NifedipineCompared with: Its cardiac effects distinguish it from nifedipine’s predominantly vascular action.