I m 26 yrs old normal build ,facings problem of ed from last 6 yrs ,consulted many dr. Allopathic, homeopathic,psychiatric i followed all there treatment but when i take vigra pill 100mg it work on me or when treatment medication was there i have erection but now treatment is over i have same problem one dr told to use shock wave therapy for ed but i told dr i have done piezo electric shock wave theropy he told both r different sir i m done marriage now plz tell me is it same or different