I took the medicine for premature ejaculation referred by a sexologist n I overcome that problem but now I'm facing the problem of erectile dysfunction, I lost interest in sex and not getting proper erection .some time I get erection (but not proper) n lost it just few seconds of penetration without ejaculation I'm really worried about this I am not able to understand what's happening to me...i never faced this type of problem ever...plz tell me what's wrong with me...what this disease called in medical science....n suggest me a cure of this problem