Our expert says:
As a psychiatrist, I don't usually deal with itching dodys. And when you speak of sores on stomach and arms from scratching, it sounds as though you have a more general itchiness, or what a doc would call pruritis. You need to see a GP for a proper examination of what might be going on. There are numerous possible causes, including an allergic reaction, for instance if one has recently changed one's detergent, and the traces of it left on your underwear may be causing an allergic itchiness and perhaps a rash.
See a GP or clinic to rule out any more serious causes, and they can provide something like an anti-histamine med to take which can reduce the itching, though be cautious as it may make you drowsy and unsafe as a cdriver.
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