Welcome to the forum tazman
Sorry to hear of everything you've been through these last few years
Leaks can happen, but it can be for many different reasons. Have you gained/lost weight? Does your stoma stick out from your skin or is it flush with it? Do you use convexity? Is your stoma right on your 'crease' where you naturally bend?
If you are not using convexity I would suggest starting with that. A convex wafer is 'cupped' and actually pulls the stoma away from your skin which helps with leaks. You can also try wearing a belt to see if that helps.
As far as diarrhea, do you drink/eat a lot of sugar or artificial sweeteners? Those can cause output to be very liquid. What do you eat during the day?
Hang in there...more will be along to give there help.
formally known as OHIO76 ~ honoring my daughter's passion!
Crohn’s dx 1989
some terrible years before my temporary ileo in 2001
Proctocolectomy w/end ileo in 2008
...wish I knew then what I know NOW!