… 4 (e.g. pravastatin) with diltiazem.
Cilostazol: Inhibition of cilostazol metabolism (CYP3A4). Diltiazem has been shown to increase cilostazol exposure and to enhance its pharmacological activity.
Antidepressants: Diltiazem may increase the plasma concentration of imipramine and possibly other tricyclics, possibly accompanied by undesirable ECG changes. Enhanced hypotensive effect when calcium-channel blockers are given with MAOIs.
Anti-fungals: Negative inotropic effect possibly increased when calcium-channel blockers are given with itraconazole.
Antimalarials: Possible increased risk of bradycardia when calcium-channel bloc …