Trauma tends to happen to one foot or ankle at a time, so only one side will swell. Some accidents and overuse injuries may ...

Harvard Medical School warned: “Usually, the clots occur in only one leg, and so just one leg is unusually swollen. While a new swelling of both legs and feet often is not serious, new swelling ...

These clots can obstruct the flow of blood from the legs back to the heart, resulting in swelling of the legs and feet. Harvard Medical School said: "Usually, the clots occur in only one leg ...