Erectile dysfunction is a condition in which the penis does not erect properly during sexual arousal. Tadarise Pro 40 pill is very effective in treating this problem. The drug contains a local ingredient called tadalafil, which increases blood flow to certain parts of the body. This drug needs to be taken one hour before sexual activity. It is a strong medicine that helps men overcome their sexual problems, a strong and stiff erection that lasts for 3-4 hours. The effect of this drug varies from person to person in about 30 minutes.