Norvasc dihydropyridine. tell your doctor or pharmacist if you are allergic to it; or to other dihydropyridine . . 12 CLINICAL PHARMACOLOGY 12. . . the two is that non-dihydropyridine calcium channel blockers can slow the heart rate, while dihydropyridine calcium channel blockers do not. . Take this medication by mouth with or without food as . . 1 Mechanism of Action Amlodipine is a dihydropyridine . . . . The contractile processes of cardiac muscle and . . . . Norvasc is a dihydropyridine . ... more