Tadarise Pro 20 is an effective drug used to treat erectile dysfunction in men. Tadalafil, present in this medicine, works to relax the muscles by increasing blood circulation in the penile arteries. This medicine should only be taken by men above 18 years of age. The effect of this medicine lasts for about 36 hours. Alcohol should not be consumed while using this medicine as its side effects are directly felt in your body. It is advised to use this medicine only once in 24 hours.