This is Dr. David
the needs a skin biopsy to help with proper diagnosis.
it sounds like he could have bad psoriasis or an autoimmune skin condition.
there are systemic psoriasis treatment which tends to be more expensive which he hasn't received yet which could help his condition if he has psoriasis
treatments such as Enbrel or Humira or Cyclosporin or Remicade or even methotrexate to help suppress his immune system which could help his skin condition.
he needs to get his skin doctors to do a skin biopsy for him as soon as possible to help with getting the diagnosis for psoriasis.
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