Tadarise 2.5 is prescribed to males who have erectile dysfunction. Tadalafil is the primary component of it. By enhancing blood flow to the male genitalia during sexual stimulation, Tadalafil helps men sustain an erection. Take this medication half an hour or thirty minutes before sexual activity for best results. This medication takes 36 hours to take effect. Men alone should use this medication; women and children should not take it. Take this medication as directed by your physician.