Beta-blockers are contraindicated in patients with vasospastic angina because they could aggravate coronary spasms.
Usually, doctors will also avoid prescribing Norvasc along with the following:
Antibiotics such as clarithromycin, erythromycin or rifampicin.
Other calcium channel blockers like diltiazem or verapamil.
antifungal medicines like itraconazole or ketoconazole
Treatments for HIV
Treatments for hepatitis C virus.