Wiktionary
felodipine
n. A calcium antagonist used to control hypertension.
Wikipedia
Felodipine
Felodipine is a calcium channel blocker (calcium antagonist), a drug used to control hypertension (high blood pressure). It is marketed under the brand name Plendil by AstraZeneca and Renedil by Sanofi-Aventis. The formulation patent for the substance expired in 2007.
AstraZeneca dropped Plendil from its support and AZ&Me free Rx access program in October 2008.