Tadalista 40 is a medication that is used to treat erectile dysfunction in men. It includes tadalafil, one of the drugs in the class of phosphodiesterase type 5 inhibitors. Suck the entire tablet without breaking it. Don't split, shatter, eat, or crush it. The drug should be stored at room temperature in a closed container away from heat sources, moisture, and direct sunlight. Avoid freezing. It is not recommended to eat grapefruits or grapefruit juice while taking this medication. Depending on grapefruit and grapefruit juice, the body may absorb different amounts of this drug. It usually takes effect 30 to 60 minutes after consumption and can linger up to 36 hours.