A member asked:

Do kidney problems cause brown spots on your body?

A doctor has provided 1 answer

Usually not: There is a condition called neurofibromatosis associated with cafe au lait spots. These spots are large, more than 1 cm in diameter, flat, painless, numbering more than 5 on the body. Patients can develop blockages of the kidney arteries. This causes severe hypertension. If you have kidney failure you can develop nodularis prurigo, severe itchy lumps that darken after time.

Answered 10/21/2013

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