question: I have a moderate form of pruigo nodularis on my legs that is slowly healing but recently the skin under my fingernails has started turning a caramel color. I have read both may be a sign of liver dysfunction....is this likely? I am extremely healthy and fit...am never sick, do not take any drugs, do not drink alcohol and I do not even have a regular doctor. My dermatologist is all I have. I eat a Paleo type diet, get lots of exercise. I am 45 yrs. old and female.