Comparing Diltiazem (Cardizem) and Atenolol

Results comparing Diltiazem with Atenolol for Cardiac Arrhythmia are based on 701 research studies conducted by health experts on 309,631 patients, trial data from the FDA, and 877 patient discussions on the web. Regarding effectiveness, health experts concluded Diltiazem was effective about as often as they concluded Atenolol was effective. Regarding safety, health experts concluded Diltiazem was safe about as often as they concluded Atenolol was safe. However, in FDA trials, the average incidence rate of the top 5 side effects common to both Diltiazem and Atenolol was lower in Diltiazem. Finally, patients on average mentioned experiencing side effects common to both treatments more often with Diltiazem