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Sildenafil, sold under the brand name Viagra, among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4][8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9]
The active ingredient, Sildenafil, is a PDE5 inhibitor that helps blood vessels relax. This helps improve blood flow to the privates, making it easier to get and maintain a climax. If you have ED ...
PDB entry 3] Ball-and-stick model of the sildenafil molecule, based on the crystal structure of sildenafil citrate monohydrate. [4] Novopharm (later renamed Teva Canada), [5] a generic drug manufacturer, filed an Abbreviated New Drug Submission with Health Canada in December 2006 to allow for the manufacture of a generic version of sildenafil.
Sildenafil can still be used to treat hypertension, but today, the primary use of this PDE5 inhibitor is to remedy ED. ... How Long Does Viagra Take to Work? Viagra usually starts working 30 to 60 ...
Sildenafil (Viagra) Tadalafil (Cialis) Vardenafil (Levitra) Avanafil (Stendra) All of these meds belong to a class of drugs called phosphodiesterase type 5 inhibitors, or PDE5 inhibitors. They ...
cGMP-specific phosphodiesterase type 5. Cyclic guanosine monophosphate-specific phosphodiesterase type 5 is an enzyme (EC 3.1.4.17) from the phosphodiesterase class. It is found in various tissues, most prominently the corpus cavernosum and the retina. It has also been recently discovered to play a vital role in the cardiovascular system.