Sildigra 100 Mg (Sildenafil) is used to deal with erectile brokenness. cGMP is a compound in the frame that reasons the unwinding of vascular smooth muscle groups and builds the bloodstream to exclusive body tissues. PDE5 (phosphodiesterase-5) is a catalyst located inside the erectile tissue of the penis, vascular endothelium (dividers of veins), and retina of the eyes, which reasons the breakdown of cGMP.