first thing is you should to talk to your ostomy nurse about it. They may want to see it. some skin breakdowns are serious and need antibiotics to clear them up. If its just ulcerations you can try duoderm (from convatec) to help protect the skin as well as powders and such. It really depends on what the diagnosis is. I've taken the advice of polishdan from here and used Friar's balsam oil on my skin irritations. (which was a sore reddish spot, cleared up in just a week) definitely talk to your nurse though since its better to be safe than sorry. Hope you are able to get it cleared up quick!
-diagnosed with UC Dec 2006 at 22
-allergic or intolerant to all 5ASAs, sulfa and 6-mp
-emergency transverse colostomy on 9/13/10 from perforated colon
-Now IBD is indeterminate tests will be done after healing if still UC J-pouch surgery, if Chron's take down of colostomy