Compression stockings and socks are specialised hosiery items designed to increase blood circulation. Their main theraputic purpose is to provide graduated pressure on the lower leg and foot to alleviate circulatory problems such as edema, phlebitis and thrombosis. Unlike traditional dress or athletic stockings and socks, compression stockings use stronger elastics to create significant pressure on the legs, ankles and feet. Compression stockings are tightest at the ankles, gradually becoming less constrictive towards the knees and thighs. By compressing the surface veins, arteries and muscles, the circulating blood is forced through narrower circulatory channels. As a result, the arterial pressure is increased which causes more blood to return to the heart and less blood to pool in the feet. Doctors will typically recommend these stockings for those who are prone to getting blood clots, edema, and blood pooling in the legs and feet from prolonged periods of sitting or inactivity. They are worn by those who are ambulatory; however, in some cases, they are worn by diabetics whose legs are prone to excessive swelling.
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