Tadarise 40 is used to treat erectile dysfunction or impotence in men. The pill contains an active ingredient called tadalafil. This drug increases blood flow to the penis and prolongs erection. The effect of this drug can last up to 36 hours after taking the drug. This medicine should be taken according to the doctor’s advice. And do not use any other medicine while taking this pill. You can take this medicine one hour before sexual activity. Alcohol should not be consumed while taking this medicine.