Filitra 40 mg is a medication used to treat erectile dysfunction (ED), and it contains the active ingredient vardenafil. Vardenafil is a phosphodiesterase type 5 (PDE5) inhibitor, similar to other medications used for ED such as sildenafil (Viagra) and tadalafil (Cialis).Vardenafil inhibits the enzyme phosphodiesterase type 5 (PDE5). By doing so, it increases the levels of cyclic guanosine monophosphate (cGMP), a chemical that plays a key role in relaxing the smooth muscles of the penis. This relaxation allows for increased blood flow to the penis, facilitating an erection.
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