Chronic venous insufficiency is a long term condition. It occurs because of partial vein blockage or blood leakage around the valves of the veins.
Symptoms include dull aching, heaviness, cramping, itching and tingling. Pain that worsens with standing and gets better when the legs are raised along with swelling are common symptoms. Some people might also experience redness or color change around the ankles and legs. Varicose veins on the surface, ulcers on the legs and hardening or thickening of the skin are also known symptoms.
Risk factors for venous insufficiency include, family history of deep vein thrombosis, age, obesity, pregnancy, prolonged standing, being tall and is sometimes related to levels of the hormone progesterone.