Yes. Leg discoloration that is not caused by injury, allergic reaction, or bruising can be a sign of vascular disease. It is important to see a vascular specialist for a diagnosis and treatment of the venous problems causing leg discoloration and other symptoms. Treatment will improve blood flow and prevent further deterioration. Also, if DVT is the underlying cause of leg discoloration, it is crucial that the blood clot be remedied before traveling through the bloodstream and causing an embolism. 

Depending on the severity of the condition, treatment may begin with conservative measures. These include:

If symptoms continue or are severe, a vascular specialist may recommend advanced, minimally invasive treatments. The goal of these treatments is to restore circulation by eliminating diseased veins and blood clots. With proper treatment, blood is redirected to flow through healthy veins. Treatments include: