Chronic venous insufficiency, or CVI, is a condition in which veins have problems moving blood back to the heart. It's also known as chronic venous stasis, phlebitis or post-thrombotic syndrome.

Varicose veins, also known as varicoses, are a medical condition in which superficial veins become enlarged and twisted.

Varicose veins may form wheneverblood pressure increases inside your veins. This can happen because of age, pregnancy, overweight and obesity, repeated sitting or standing for long periods, or an inactive lifestyle.

Deep vein thrombosis is a type of venous thrombosis involving the formation of a blood clot in a deep vein

Compression stockings are thought to reduce the risk of DVT by exerting graduated pressure on the leg, with the pressure being greatest at the ankle.

Phlebolymphedema isa chronic condition that causes swelling in the limbs due to impaired blood circulation and lymphatic function.

Edema, also known as fluid retention, isswelling caused by fluid building up in body tissues.It can occur anywhere in the body, but it's most common in the legs, ankles, and feet.