Vidalista 2.5 pill is a commonly used drug used to treat male sexual disorders such as erectile dysfunction (ED). The active ingredient present in Vidalista 2.5 mg is Tadalafil. Vidalista is popular because it is highly effective in treating erectile dysfunction. If you're having trouble getting an erection during intercourse, consult your general practitioner before taking any ED medication. Try not to eat more than one pill each day, and it usually takes about 30 minutes before you have sex.