Vidalista 40 mg is a prescription medication with tadalafil as its active ingredient, classified as a phosphodiesterase type 5 (PDE5) inhibitor for treating erectile dysfunction (ED) in adult men. It functions by blocking PDE5, elevating cyclic guanosine monophosphate (cGMP) levels, which relaxes blood vessel smooth muscles and enhances penile blood flow during sexual arousal, aiding in erection formation and sustenance.
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