Symptoms of Blood Clots in the Thighs & Legs. Part of the series: Medical Symptoms, Causes & Treatments. Blood clots in the thighs and legs will often show symptoms of swelling, pain and tenderness over a vein. Identify other symptoms of blood clots, such as dull aches and warmness over the vein, with help from a nurse and respiratory care practitioner in this free video on blood clot symptoms. Read more: [ Ссылка ]
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