What Could Cause One Swollen Leg and Foot?


Quick Answer

The two main reasons for leg swelling are from conditions that cause fluid buildup or due to inflammation, according to Mayo Clinic. Conditions that cause leg swelling due to fluid buildup include cirrhosis, lymphedema and thrombophlebitis. Ailments that cause inflammation in the leg are gout, osteoarthritis and an ankle sprain.

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Full Answer

Fluid retention in the legs is known as peripheral edema, and issues in the circulatory and lymphatic system or a problem in the kidneys are all possible causes, notes Mayo Clinic. Cirrhosis is the scarring of the liver, and lymphedema is a blockage in the lymph system. Other disorders that can cause the leg to swell due to fluid are kidney or heart failure. Thrombophlebitis is a blood clot that occurs in the veins, typically in either one leg or both. It can be on the surface of the skin or deep in a muscle, and trauma and inactivity are possible causes.

An ankle sprain occurs when there is damage to one of the ligaments in the ankle, states WebMD. Ligaments hold the bones together, and ankle sprains are split in to grades depending on their severity. To reduce swelling of an ankle sprain, doctors recommend icing the ankle, elevating it and taking anti-inflammatory painkillers.

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