It sounds like you are having contact dermatitis reaction from the adhesive, adhesive remover, or some component of the bag. Here is an article. People in the study had it clear up when the particular allergen was figured out.
ask your doctor to presicribe for you a tropical powder called NYSTOP. this powder will help clear up your problem,. apply it on everytime you change. this has helped my mother tremendously for the last 17 yrs now.
I have had my ileostomy since 1979 and have had this problem a few times. If you are able, when your stoma is "quiet", shine a bare light bulb (not an energy efficient one) on the bare skin around the stoma. Believe it or not, your skin will dry up and you should be able to put the bag back on with no problems. Be sure to use a good skin barrier.
You may also be allergic to tape, so if you don't use a flange and bag system, you may want to check that out as well.
The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. MedHelp is not a medical or healthcare provider and your use of this Site does not create a doctor / patient relationship. We disclaim all responsibility for the professional qualifications and licensing of, and services provided by, any physician or other health providers posting on or otherwise referred to on this Site and/or any Third Party Site. Never disregard the medical advice of your physician or health professional, or delay in seeking such advice, because of something you read on this Site. We offer this Site AS IS and without any warranties. By using this Site you agree to the following Terms and Conditions. If you think you may have a medical emergency, call your physician or 911 immediately.