Tadalafil relaxes the muscles of the blood vessels and increases the flow of blood to certain parts of the body. Tadalafil under the name Cialis is used to treat erectile dysfunction (impotence) and signs of benign prostatic hypertrophy (enlarged prostate). Vidalista 20 ( https://safemg.com/vidalista-20 ) Tablet is a phosphodiesterase 5 (PDE5) inhibitor used in men for the treatment of Erectile Dysfunction ( http://www.ilmarhit.it/component/kunena/2-welcome-mat/373042-vidalista-20-best-medicine-for-ed ), also known as the failure to get a firm erection.