Wonder if anyone has developed severe skin reaction to Morphine Sulfate? I only take 10 mg per day for pain. After three years on this medication I have developed intermittent red itching burning patches of unraised skin. It comes and goes throughout the day. The morphine sulfate is extended release so I can't connect when I take it to the appearance of the rash. I can't just stop the drug or I will experience withdrawal symptoms. Any one have allergy to MS contin ?