Both metoprolol tartrate and metoprolol succinate are prescription-only drugs. In this article, we explore the differences and similarities between these two drugs.

Lopressor (metoprolol tartrate) and Toprol XL (metoprolol succinate) are both approved by the U.S. Food and Drug Administration (FDA) for the treatment of high blood pressure and angina.

This issue was addressed in a randomized, controlled, 12-week trial comparing the hemodynamic effects of immediate-release metoprolol tartrate and extended-release metoprolol succinate. [16] ...