Vidalista 2.5 is a drug used to treat impotence in men. The tadalafil in this drug facilitates erection by raising the blood pressure in the arteries of the penis. Strong erection can be enjoyed by using this medicine about 30 to 40 minutes before sex. This medicine should be used only once in 24 hours otherwise damage may occur in the body. Alcohol should not be used while using this medicine.