Verapamil ER
CALAN SR
What it isL-type calcium-channel blocker that slows AV conduction and relaxes arteries; hypertension, angina, and supraventricular arrhythmias.
Why this oneIts strong AV-nodal effect provides rate control that dihydropyridine calcium-channel blockers cannot.
What limits itConstipation, bradycardia, and heart block limit use; avoid systolic heart failure and watch CYP3A4 and P-gp interactions.
NO BOXED WARNINGS
Classes and tags
Clinical profile
Mechanism of action: Verapamil ER ballicule
