A type 5 Phosphodiesterase inhibitor, Filitra 40 mg Vardenafil (brand name Levitra) is indicated for men with erectile dysfunction (PDE5). Sexual stimulation of the male reproductive organ has been shown to hasten the therapeutic effect of the drug.
The cavernous penis relaxes during sexual arousal due to biochemical signalling by nitric oxide and subsequent cyclic guanosine monophosphate (cGMP). This increases blood flow to the area, causing an erection. The drug inhibits the enzymes that produce cGMP. The resulting increase in cGMP levels can cause the element to harden.
After twenty minutes, the cavernous muscle tissue relaxes, resulting in increased blood flow to the male reproductive organs. This sets the stage for a healthy, sustained erection, which is essential for a satisfying sexual encounter.
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