Biology — Calcium-Channel Blocker Interactions
Verapamil-centred cardiac and CYP3A4 interactions.
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title "Calcium-channel blocker interactions"
drug V "Verapamil" class calcium-blocker
drug B "Beta blocker" class antihypertensive
drug D "Digoxin" class cardiac-glycoside
drug S "Simvastatin" class statin
drug G "Grapefruit" class food
interact V B "bradycardia / asystole" severity major
interact V D "digoxin toxicity" severity major mechanism "raised digoxin levels"
interact V S "myopathy" severity major mechanism "CYP3A4 inhibition"
interact V G "raised levels" severity moderate mechanism "gut CYP3A4"