Hey guys as above 25 years for me, since 1995!
Since 2004 so for 16 years.
I been suffering from it for at least 15 years but i also had symptoms when i was a kid but then they went a bit to the background and then came back harder later.
Almost 10 years, since 2011.
I may or may not have Schizoaffective but I was diagnosed in 1984.
9 years going on 10. It’s a miracle I’m still alive.
Been having symptoms for 18 years, diagnosed as schizophrenic for 7. My diagnosis was recently changed to another variety of psychosis, can’t be bothered to remember what. Basically it was “you’re too healthy to be schizophrenic anymore but you’re still a freak” disorder lol
I got sick around 2000. I’ve had it since I was 30.
Since October 2003. That’s what, 17 years.
Since 2017. 
13 years, since I was 19. Currently 32.
since I was 21 schiziaffectuve so 17 years.
It’s been 29years. It started in 1991.
Diagnosed in 2003 but it started in 1998
since i was 14, so 2 years
My first episode was in 2004 when I was 16/17, I did not get diagnosed until 2013
11 years since 2009 i was 19 or 20 when diagnosed
3 years long 151515
Diagnosed major depression 1993. Diagnosed sz 1999. So 20 years plus with the sz meds and a lot older since seeing a shrink.
I was mis diagnosed with depression when I was about 19. Problems started when I was 16 though. Then diagnosed with paranoid schizophrenia at 39.
I’m 51 now. So offically 12 years, unofficially 35 years.