Erectile dysfunction (ED) is the inability to achieve or maintain a firm adequate erection for sexual intercourse. It's occasionally referred to as impotence, though that phrase is becoming less common. Occasional ED is not rare. Many males feel it during stressful situations. You take this medication 30 minutes before intercourse. You may purchase Tadora 20 from our store. This medicine has a 6-hour effect, so do not take it too frequently. You can take this medication before or after eating. Take this medication as prescribed by your doctor.