Vidalista 40 mg is a medication used to treat erectile dysfunction (ED) in men and pulmonary arterial hypertension (PAH). It contains Tadalafil as its active ingredient. Vidalista 40mg is a PDE5 inhibitor that works by relaxing the blood vessels in the penis allowing blood to flow more easily into the penis during sexual stimulation resulting in an erection. If you are prescribed Vidalista...