Tadalista 10 helps increase blood flow to the penis in men. The drug contains a major ingredient called tadalafil. Which works to increase the speed of blood flow in the penis of men. You should avoid alcohol if you are taking this drug. You should take this medicine only on the advice of your doctor. Avoid taking this medicine with fruit juices and alcoholic beverages. Avoid taking this medicine, especially with grapefruit juice. This medicine must be taken with normal water.