A year ago I had a terrible rash on my arms, legs, stomach and back.  I was treated for scabies twice and given prendisone.  It took two months to get rid of the rash  Biopsies were inconclusive.  I work with small children and I am a diabetic.  When the rash was at its worse my blood sugars were very high and I was put on insulin.  The rash is raised and blistery. I am getting the rash back again and I am panicking.  I dont think I can go through this again.  Any suggestions?
Hello, Welcome to Chat Doctor. From your description, I would like to rule out a few possibilities like blistering disorders(bulbous pemphigoid), bulbous lichen plans, insect bite reactions, I'd eruptions and contact dermatitis. Scabies in adults in general do not blister. I would advise you to repeat a skin biopsy for histopathological examination and a special test called immunofluorescence. Please do the test before starting on prednisolone or other steroids as this can alter the biopsy picture. Hope this helps you.