My husband has diabetic neuropithy and lower leg on both legs are purple what do i do?

Legs: He may get a benefit from taking trental (pentoxifylline). See your dermatologist to find out the best treatment.

Many possibilities.: Some causes of discoloration of the skin include trauma , infection, circulatory disease, and medication side effects. Have it evaluated by a professional to determine the cause of the problem, as treatment varies depending on the diagnosis.