Most swelling responds well to a combination of elevation, compression, and managing the underlying cause. The right treatment depends on whether your swelling is from an injury, prolonged standing, a chronic condition, or something that needs medical attention. Here’s how to approach it.
Why Swelling Happens
Swelling occurs when fluid builds up in the spaces between your cells. This can happen through two broad pathways. The first is inflammation: when you injure tissue or fight an infection, your blood vessels become more porous, allowing fluid and immune cells to flood the area. That’s why a sprained ankle puffs up quickly. The second pathway is fluid retention, where your body holds onto sodium and water or struggles to circulate fluid back through your veins and lymphatic system. This is the kind of swelling you notice in your feet after a long flight or during pregnancy.
Understanding which type you’re dealing with helps you choose the right treatment. Inflammatory swelling from an acute injury calls for rest and anti-inflammatory measures. Fluid retention from sitting all day or eating a high-sodium meal responds better to movement, elevation, and dietary changes. Chronic or worsening swelling may signal a heart, kidney, or liver problem that needs a different approach entirely.
Elevation: The Simplest First Step
Raising the swollen area just above the level of your heart lets gravity work in your favor, helping fluid drain back toward your core. If your legs or ankles are swollen, lie down and prop your feet on a couple of pillows. If your hand or wrist is puffy, rest it on a pillow at chest height or higher while sitting.
For acute injuries like sprains, aim for 15 to 20 minutes of elevation several times a day, especially in the first 48 to 72 hours. For chronic leg swelling, elevating your legs whenever you sit or lie down can make a noticeable difference over days and weeks. The key is consistency. A few minutes here and there won’t move much fluid, but regular elevation throughout the day will.
Compression for Ongoing Swelling
Compression garments apply steady pressure to your tissues, preventing fluid from pooling and helping push it back into circulation. For mild everyday swelling from prolonged sitting or standing, stockings rated at 10 to 15 mmHg of pressure are effective and available without a prescription. Research confirms this range can reduce or even fully prevent the kind of leg swelling that builds up during a workday.
For more significant swelling, stockings in the 15 to 20 mmHg or 20 to 30 mmHg range provide stronger support. The higher ranges are commonly used for varicose veins, post-surgical recovery, and chronic venous issues. If you’re unsure which level you need, start with the lighter pressure. Compression works best when you put the garments on first thing in the morning, before gravity has had a chance to pull fluid into your lower legs.
For acute injuries, an elastic bandage wrapped snugly (not tightly) around the area serves the same purpose. You should be able to slide a finger under the wrap comfortably. Numbness, tingling, or increased pain means it’s too tight.
Anti-Inflammatory Medications
When swelling is driven by inflammation, as with injuries, arthritis flares, or minor surgical recovery, over-the-counter anti-inflammatory drugs can help. These work by reducing the chemical signals that make blood vessels leak fluid into surrounding tissue.
Ibuprofen can be taken as one to two 200 mg tablets every four to six hours, up to 1,200 mg per day. Naproxen sodium is longer-acting: one to two 220 mg tablets every 8 to 12 hours, with a daily limit of 660 mg. Naproxen’s longer duration makes it convenient when you need steady relief throughout the day. Both should be taken with food to reduce stomach irritation, and neither is meant for long-term daily use without medical guidance.
These medications work well for inflammatory swelling but won’t do much for fluid retention caused by heart failure, kidney disease, or other systemic conditions. For those situations, a different class of medication (diuretics) may be prescribed to help your kidneys release excess sodium and water.
Ice for Acute Injuries
Cold narrows blood vessels, slowing the flow of fluid into injured tissue. Apply an ice pack or a bag of frozen vegetables wrapped in a thin towel for 15 to 20 minutes at a time. Repeat every two to three hours during the first 48 hours after an injury. Don’t place ice directly on skin, and don’t leave it on longer than 20 minutes per session, as prolonged cold can damage tissue.
Ice is most effective in the early phase of an injury. After the first two or three days, once acute inflammation has settled, gentle movement and warmth often do more to promote healing and reduce lingering stiffness.
Movement and Lymphatic Drainage
Your lymphatic system, which acts as a drainage network for fluid in your tissues, doesn’t have its own pump. It relies on muscle contractions to push fluid along. That’s why sitting or standing in one position for hours leads to swelling, and why gentle movement is one of the best treatments.
Walking, ankle pumps (pointing and flexing your feet), and calf raises all activate the muscles that squeeze lymph fluid back toward your heart. Even short walks every 30 to 60 minutes can prevent significant fluid buildup during a long day at a desk or on a flight.
For persistent or post-surgical swelling, lymphatic drainage massage uses very light pressure and specific stroking motions directed toward your lymph nodes. A trained therapist first prepares the lymphatic pathways closer to your core, then gently coaxes excess fluid from swollen tissues toward nodes where it can be reabsorbed. This technique is particularly useful for swelling after lymph node removal, chronic lymphedema, and post-operative recovery.
Reducing Sodium Intake
Sodium causes your body to retain water, and excess sodium is one of the most common contributors to chronic, low-grade swelling. Keeping your intake below 2,000 mg per day is a practical target that can meaningfully reduce fluid retention. For context, a single teaspoon of table salt contains about 2,300 mg of sodium, and many processed foods contain far more than people realize.
The biggest sources of hidden sodium aren’t the salt shaker on your table. They’re canned soups, deli meats, frozen meals, bread, condiments, and restaurant food. Reading nutrition labels and cooking more meals at home are the most effective ways to bring your numbers down. Increasing your water intake alongside reducing sodium helps your kidneys flush excess fluid more efficiently.
Swelling During Pregnancy
Some degree of ankle and foot swelling is normal during pregnancy, especially in the third trimester. The growing uterus puts pressure on veins returning blood from the legs, and hormonal changes cause your body to hold more fluid. Elevation, compression stockings, staying active, and avoiding prolonged standing all help manage it.
Swelling that appears suddenly in your hands, arms, or face, or that comes with rapid weight gain, is a different situation. These are hallmarks of preeclampsia, a pregnancy complication involving high blood pressure. Preeclampsia can develop without obvious symptoms, but swelling in the upper body, persistent headaches, vision changes, or upper abdominal pain all warrant prompt evaluation. Routine prenatal visits include blood pressure checks partly because mild preeclampsia can be easy to miss.
When Swelling Is a Warning Sign
Most swelling is benign, but certain patterns signal something more serious. The most important distinction is whether the swelling affects one side or both. Swelling in just one leg, especially if it comes on quickly (within 72 hours), is painful, warm to the touch, or accompanied by redness, raises concern for a deep vein thrombosis, a blood clot in the leg. This is particularly worth considering after surgery, long periods of immobility, or a long flight.
Swelling that affects both legs equally and gradually is more likely to reflect a systemic cause: heart failure, kidney disease, liver problems, or medication side effects. Certain blood pressure medications, diabetes drugs, and hormonal treatments are well-known causes of bilateral leg swelling.
Swelling that leaves a visible dent when you press it with your finger (called pitting edema) and doesn’t improve with elevation over several days deserves medical evaluation. The same applies to swelling paired with shortness of breath, chest pain, or decreased urine output, all of which suggest the heart or kidneys may be struggling to manage fluid balance.