Erectile dysfunction or ED (also known as impotence) is when a man cannot achieve or sustain an erection for sexual intercourse. Vidalista 40 is an effective medicine for the treatment of sexual dysfunction. The tadalafil in this drug works by increasing the amount of blood in the arteries of the penis. This medicine should be used as advised by your doctor. Alcohol should not be consumed while using this drug. You can buy vidalista 40 from our store.