In more advanced venous disease the skin can undergo changes such as discoloration or thickening. These changes are thought to be a result of the pooling of blood and added pressure in the leg as the vein valves fail to bring blood out of the foot and leg adequately.

Blue veins can be harmless and show up as a result of age, activity or skin tone, but can be a sign of a struggling vascular system. Venous insufficiency can develop into more serious health concerns.

Venous ulcers occur when the skin breaks down completely as a result of untreated venous disease. This type of ulcer is often tough to heal and even if it does heal, if the venous disease is not treated the ulcer will often recur.

SVT is a relatively common inflammatory process affecting the superficial veins. This is an acute process where a clot forms in a superficial vein resulting in a red, hot, tender area around the affected vein.

Restless leg syndrome symptoms can include aching, twitching, throbbing, creeping feelings, and other uncomfortable sensations that affect your sleep and general quality of life. Symptoms often worsen in the evening.