i'm 27 yrs old. one year ago, i drank a bootle of medicine used in bangladesh for the treatment of cough. the name of the medicine is dexpoten. 4 hours later, i tried to masterbate and i found myself with no sexual feelings and got upset. i'm in serious mental pressure. i can feel my sexual ability far below my normal ability. now a days, i hardly experience dream fault. what should i do now.