Itch and bruises: Extreme itching without a rash can be caused by dry skin, diabetes, prickly heat, hyperthyroidism, polycythemia(too many red blood cells) as well as other diseases like lymphoma. If the bruises are not from scratching, a bone marrow or hematologic disorder is suspected. Your physician should evaluate you and order appropriate tests and referrals to specialists may be advised.
Answered 11/26/2016
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