In fact, even when both legs are swollen fairly equally, the cause could still be a clot. One way that doctors pinpoint the cause of swelling is by noting whether it is occurring in one limb, or both equally. Because of this, and due to the increased blood pressure in the veins, fluid seeps out into the surrounding tissue. Do you have swelling of just one foot, ankle, and/or leg? This is one of the few edema-related causes of left leg swelling that may only affect one leg at a time. So heightened suspicion is key. (Also answer yes if one side is much more swollen than the other side.) Symptoms of Swelling: Feet and lower legs get larger when you sit or walk. Liver disease can cause foot swelling due to the liver not functioning properly. Leg swelling may occur in one leg (unilateral) or in both legs (bilateral). If her amlodipine dose is high (more than 5 mg), she may experience swelling in her legs, ankles, or feet. Swelling in the ankles, feet or legs often goes away on its own. The first test to order when suspecting a deep vein thrombosis will be an ultrasound. Treatment with blood thinners may be necessary. Sometimes an injury to the foot causes swelling, but some people do not take the swelling seriously and say that it will heal itself. Swelling in the ankles and feet is a prevalent symptom and can have a variety of causes. Examples of causes of swelling of only one ankle or foot are sprains and strains. Foot, leg, and ankle swelling is common when the person also: Is overweight; Has a blood clot in the leg; Is older; Has a leg infection; Has veins in the legs that cannot properly pump blood back to the heart (called venous insufficiency); Injury or surgery involving the leg, ankle, or foot can also cause swelling. Other medication options exist for lowering blood pressure that don’t cause swelling in the legs. The fluid retention causes swelling generally in the tongue, lips, or eyelids. Foods That Cause Swelling in Feet Another serious cause of swelling in one leg is a blood clot inside the leg. This kind of swelling is not caused directly by the COPD patient’s chronic bronchitis or emphysema.Instead, complications of COPD called “pulmonary hypertension” and “cor pulmonale” often cause the swelling. In fact, the People with chronic obstructive pulmonary disease (COPD) may have swelling in their ankles, legs and feet. The reasons for swelling in just one leg are not the same as the causes of swelling in both legs. You might need to make some adjustments to your dietary salt and fluid. The higher the dose, the more likely you are to have swelling in both of your legs and feet. Leg swelling can be a common problem and it typically refers to any swelling of any part of the legs, including the feet, ankles, thighs and calves. The swelling may be caused by chemotherapy, cancer, and conditions not related to cancer. Pain may accompany the swelling, especially when a person is standing or walking. If swelling is happening along with signs of breathing difficulty seek help immediately. Learn about signs of edema, including swelling in your feet, ankles, and legs. With time, the skin in the area will become red, itchy and scaly. One in 10 patients experience swelling when taking amlodipine at a dose of 10 mg daily. Sometimes diseases that affect the entire body, such as heart disease and kidney or liver failure, can result in excess fluid buildup (edema) that is often concentrated in the legs and feet, leading to swelling not only of the ankles but also of the feet and lower legs. As well as swelling of the legs, ankles, and feet, symptoms of heart failure include: During kidney failure, excess water and sodium cannot effectively remove it from the blood, which causes water or sodium retention and swelling. 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