Suhagra Description: Suhagra could be a vasoactive agent wont to treat ED and to scale back symptoms in patients with pulmonary arterial hypertension (PAH). Sildenafil increases the amount of another messenger, cGMP, by preventing its breakdown by phosphodiesterase type 5 (PDE5). PDE5 is found in particularly high concentrations within the corpus cavernosum, the animal tissue of the penis. it's also found within the retina and vascular endothelium. a rise in cGMP leads to vasodilation whic...