Venous thrombosis
Inflammation of a vein due to a blood clot just under the skin, usually in the legs. Also called superficial thrombophlebitis.
Venous thrombosis usually refers to a blood clot in a vein just under the surface of the skin. It most commonly affects the leg veins. Not moving for long periods of time because of an injury, long trip or hospital stay can cause it. Other causes are injury, pregnancy, and some health conditions and medicines. If a blood clot forms deeper in a vein, it's called deep vein thrombosis.
Symptoms include swelling in the affected area. The skin may be warm, tender and painful. There might be a hard line that feels like a cord just under the skin. The line may be sore to touch. Some people have a change in skin color where the clot forms. This may be a shade of red, purple or brown, depending on skin color.
Treatment usually includes compression stockings or wraps and anti-inflammatory medicines. Some people need treatment to remove or close a vein.