When a man experiences a problem at the time of erection, also known as the problem of impotence, sildenafil acts as the active ingredient in the orangutan drug. Aurogra 100 are mainly taken 1 hour before intercourse, after which the effect lasts for 4-5 hours. It is important to consult a doctor before taking Aurogra 100 Mg. Aurogra 100mg should be taken only once a day.