Vigora 100 medicine is a drug taken to overcome sexual problems in men, in which the main ingredient sildenafil citrate plays an important role. This medicine helps in increasing the blood flow to the penis. You should avoid taking this medicine if you have any type of allergy. This medicine is usually taken on an empty stomach. This medicine should not be chewed, crushed, or crushed. This medicine can be swallowed with a glass of water. The effect of this medicine lasts for 4-5 hours. The effect of this medicine takes 30 minutes or 1 hour.