It may be time for a replacement. I am on a PEG for life, I now change my peg as easily as I change my underwear. I switched to the "Foley Type" peg or G tube. These G tubes with a foley valve atop are much easier to maintain.
When you are dressing the area make sure that you you apply a mositure barrier paste (Zinc Oxide), this will prevent irritation.

Stage 3, T3,N1,M0,SCC, Base of Tongue. No Surgery, Radiationx39, Chemo, Taxol & Carboplatin Weekly 8 Treatments 2004. Age 60. Recurrence 2/06, SCC, Chest & Neck (Sub clavean), Remission 8/06. Recurrence SCC 12/10/06 Chest.