For what it's worth I had similar issues with my SP. It started about 7 years ago. When the SP was changed a pool of nasty smelling bloody pus came out of the
ostomy. An antibiotic took care of it - for awhile. It was fine for about 3 years then it happened again. Same antibiotic, same results. Then approximately every 6-8 months the pus came back. Also, if I pulled up on the SP the pus would ...