Vidalista 20 is a drug, which use to taken to overcome sexual problems in men. In this medicine, the main ingredient tadalafil plays an important role. This medicine helps in increasing the flow of blood to the penile area. You should kindly avoid taking this medicine if you have any type of allergy. This medicine is usually taken an empty stomach. This medicine should not be chewed, crushed, or crushed. The effect of this medicine lasts for 4-5 hours. The effect of this medicine takes 30 minutes or 1 hour.