Tadalista 20 mg is used to treat male sexual problems of erectile dysfunction or impotence. This pill is an attachment with men who have excited about sexual stimulation. The main active ingredient is tadalafil, which helps increase blood flow to the penile area to help men get to keep an erection. This pill should be taken 30 to 40 minutes before the sexual plan, and its effects last 4 to 5 hours during sexual intercourse.