Swelling in the feet, medically known as edema, refers to a condition where your feet, ankles or legs get swollen due to excessive accumulation of fluid in these parts of the body. The fluid build up can result from various reasons like rapid increase in your weight, pregnancy, high blood pressure, stress, kidney disorder, nervous problem, high level of uric acid in the body, blood clotting, internal injury and foot infection. Swelling occurs when the body feels difficulty in fighting gravity to move blood and fluids back to your legs ankle and feet. Build up of fluid is not harmful on its own, because it is not a disorder but just a symptom. So the best way to treat this condition is to treat the root cause of the problem. For knowing what is causing your feet to swell, you must visit your doctor. Edema is not usually painful, unless there is any injury. Whatever may be the reason, these effective remedies can bring relief from uncomfortable swelling till the time the real cause of swelling is apparent.