Table 3.

Medications with potential for significant drug interactions

Chemotherapeutic agents	Calcium channel blockers	Others
Doxorubicin	Amlodipine	Quinidine
Etoposide (BP-16)	Diltiazem	Buspirone
Tamoxifen	Felodipine	Zolpidem
Vinblastine	Isradipine	Nefazodone
Vincristine	Lercanidipine	Trazodone
	Nicardipine	Carbamazepine
	Nifedipine	Glucocorticoids
	Nimodipine	Rifabutin
	Nisoldipine
	Nitrendipine
	Verapamil
HMG CoA reductase inhibitors	Benzodiazipines	Macrolide antibiotics
Atorvastatin >60 mg/day	Alprazolam	(except azithromycin, dirithromycin and roxithromycin)
Lovastatin	Diazepam
Simvastatin	Midazolam
Rosuvastatin	Triazolam
Protease inhibitors	Immunosuppressants	Azole antifungals (except fluconazole and topical antifungals)
Ritonavir	Cyclosporine
Indinavir	Tacrolimus