Sildenafil citrate, widely known as Viagra, is a selective phosphodiesterase type 5 (PDE5) inhibitor that operates through the nitric oxide (NO) and cyclic guanosine monophosphate (cGMP) pathway. Initially synthesized by Pfizer Ltd in 1989, Sildenafil was developed from research into cardiovascular treatments for angina. By enhancing cGMP levels within vascular smooth muscle cells, Sildenafil induces smooth muscle relaxation, leading to improved blood flow. Following comprehensive clinical studies, Viagra was approved in 1998 and has since become the leading treatment for erectile dysfunction (ED) due to its strong efficacy and favorable safety profile.
Dunzendorfer, U. (2012) Sildenafil. Switzerland: Birkhäuser Basel.
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For detailed information about Intex Viagra 50 by Intex Pharma, consult with your doctor or healthcare professional.
Dunzendorfer, U. (2012) Sildenafil. Switzerland: Birkhäuser Basel.
Dunzendorfer, U. (2012) Sildenafil. Switzerland: Birkhäuser Basel.
Dunzendorfer, U. (2012) Sildenafil. Switzerland: Birkhäuser Basel.