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How do you know if your swollen ankles and feet are caused by a blood clot?

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Blood clots that form in the veins of the legs can stop the return flow of blood from the legs back up to the heart and cause swelling in the ankles and feet. Blood clots can be either superficial (occurring in the veins just beneath the skin), or deep (a condition known as deep vein thrombosis). Deep clots can block one or more of the major veins of the legs. These blood clots can be life-threatening if they break loose and travel to the heart and lungs. If you have swelling in one leg, along with pain, low-grade fever, and possibly a change in color of the affected leg, call your doctor immediately. Treatment with blood thinners may be necessary.

From: Swollen Ankles and Feet WebMD Medical Reference

SOURCES:

MedlinePlus: "Swelling."

ArthritisToday.org: "What is Rheumatoid Arthritis?"

ArthritisToday.org: "Arthritis Treatment Timeline."

MedlinePlus: "Preeclampsia."

American Academy of Orthopaedic Surgeons: "Sprained Ankle."

National Lymphedema Network: "What Is Lymphedema?"

Penn State Milton S. Hershey Medical Center College of Medicine: "Chronic Venous Insufficiency."

Baylor College of Medicine: "Varicose Veins."

De Moines University Clinic: "Diabetic Foot Care."

USC Center for Vascular Care: "Varicose Veins and Venous Disease."

Yale University Cushing/Whitney Medical Library: "Heart Disease Symptoms."

Penn State Milton S. Hershey Medical Center College of Medicine: "Congestive Heart Failure."

MedlinePlus: "Foot, Leg, and Ankle Swelling."

Reviewed by Traci C. Johnson on January 30, 2019

SOURCES:

MedlinePlus: "Swelling."

ArthritisToday.org: "What is Rheumatoid Arthritis?"

ArthritisToday.org: "Arthritis Treatment Timeline."

MedlinePlus: "Preeclampsia."

American Academy of Orthopaedic Surgeons: "Sprained Ankle."

National Lymphedema Network: "What Is Lymphedema?"

Penn State Milton S. Hershey Medical Center College of Medicine: "Chronic Venous Insufficiency."

Baylor College of Medicine: "Varicose Veins."

De Moines University Clinic: "Diabetic Foot Care."

USC Center for Vascular Care: "Varicose Veins and Venous Disease."

Yale University Cushing/Whitney Medical Library: "Heart Disease Symptoms."

Penn State Milton S. Hershey Medical Center College of Medicine: "Congestive Heart Failure."

MedlinePlus: "Foot, Leg, and Ankle Swelling."

Reviewed by Traci C. Johnson on January 30, 2019

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