Drug Interactions With Labetalol

If certain medicines are taken with labetalol, drug interactions may occur. Drug interactions with labetalol may involve medications such as calcium channel blockers and tricyclic antidepressants. Other medications that may potentially cause drug interactions with labetalol include cimetidine, nitroglycerine, and certain diabetes medicines (including insulin and oral diabetes medications).

 

Drug Interactions With Labetalol: An Introduction

 Labetalol hydrochloride (Trandate®) potentially has a number of other medicines with which it may interact. Some of these labetalol interactions can involve medications such as:
 
o Verapamil (Calan®, Isoptin®)
o Verapamil extended release (Calan® SR, Covera-HS®, Isoptin® SR, Verelan®, Verelan® PM)
o Diltiazem ER (Cardizem® CD, Cardizem® LA, Cardizem® SR, Dilacor XR®, Diltia XT™, Tiazac®)
o Nifedipine ER (Adalat® CC, Procardia XL®)
(Drug Interactions With Labetalol Continued: Page 2)
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;