Vidalista is a branded form of tadalafil, a drug that belongs to a class called phosphodiesterase type 5 (PDE5) inhibitors. While tadalafil is best known for treating erectile dysfunction, it is also prescribed for other conditions such as benign prostatic hyperplasia (BPH) and pulmonary arterial hypertension (PAH). The primary mechanism behind Vidalista’s effect is PDE5 enzyme inhibition. PDE5 breaks down cyclic guanosine monophosphate (cGMP), a molecule that promotes relaxation of smooth muscle cells and vasodilation.

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