Felodipine

Used to treat high blood pressure. It is a selective calcium ion antagonist, which mainly inhibits the intracellular calcium flow of arteriole smooth muscle, selectively dilates arteriole, has no effect on veins, and does not cause postural hypotension; There was no obvious inhibitory effect on myocardium. While reducing the renal vascular resistance, this product does not affect the glomerular filtration rate and creatinine clearance rate, the renal blood flow does not change or even slightly increase, and has the effect of promoting sodium excretion and diuresis. This product can increase output and cardiac index, significantly reduce afterload, but has no significant effect on cardiac systolic function, preload and heart rate.