Dear Penelope, It is very difficult to tell you what could be wrong.
From what you have written, it would appear that your treating physician is
correct in saying that you immune system is under pressure. The only advice I
can give you is to go back to you treating physician and ask him/her to refer
you to someone else. You need a very good general check-up with possibly a
series of laboratory tests to assist in making a diagnosis. The scalp patches
could be scalp psoriasis although it is difficult to say within having seen the
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