Nifedipine Bookmark Share View Topic Outline Oral NifedipineAdalat Mechanism of Action Inhibits L-type calcium channels on ventricular myocardial, cardiac nodal and arteriolar smooth muscle cells.Clinical UseIndicationsContraindicationsHeart failure.Adverse Effects Want more info like this? MedSchool Your electronic clinical medicine handbook Guides to help pass your exams Tools every medical student needs Quick diagrams to have the answers, fast Quizzes to test your knowledge Sign Up Now