Elevating your feet above heart level is the single fastest way to bring swelling down, and combining it with compression, movement, and dietary changes can keep it from coming back. Most mild foot swelling responds well to home strategies, but the right approach depends on whether the swelling is from standing all day, an injury, or something more systemic.
Elevate Your Feet Above Your Heart
Gravity is the simplest tool you have. When you sit or stand for long periods, fluid pools in your feet and ankles because your circulatory system has to fight gravity to push it back up. Lying down and propping your feet above heart level reverses that equation and lets fluid drain naturally toward your core.
Aim for about 15 minutes per session, three to four times a day. Stack pillows under your calves while lying on a couch or bed so your feet sit higher than your chest. A recliner can work, but it often doesn’t get your feet high enough. The key is positioning your legs above your heart, not just parallel to the floor. If you can only manage it once or twice a day, longer sessions of 20 to 30 minutes help compensate.
Use Compression to Push Fluid Out
Compression socks or stockings apply graduated pressure, meaning they’re tightest at the ankle and looser as they go up the leg. This squeezes fluid upward and prevents it from settling back into your feet.
For everyday swelling from standing, sitting, or travel, a 15 to 20 mmHg stocking is the gentlest level and available over the counter. If you have noticeable vein problems or moderate swelling that doesn’t resolve easily, a 20 to 30 mmHg stocking provides medical-grade compression and is often the sweet spot for recurring foot edema. Stockings in the 30 to 40 mmHg range are reserved for severe swelling, lymphedema, or chronic venous problems and should be fitted with medical guidance because the pressure is strong enough to cause issues if the fit is wrong.
Put compression socks on first thing in the morning, before swelling has a chance to build. If you wait until your feet are already puffy, they’ll be harder to get on and less effective.
Move Your Ankles and Calves Often
Your calf muscles act as a pump for your veins. Every time they contract, they squeeze blood and fluid upward toward your heart. When you sit still for hours, that pump shuts off and fluid accumulates.
Ankle pumps are the easiest exercise to restart the pump. Sit or lie down with your legs extended, then point your toes toward your knees as far as you can, hold briefly, and point them away from you. Repeat this for two to three minutes, and do it two to three times every hour when you’re sedentary. You can do these at a desk, on a plane, or in bed. Even short walks every 30 to 60 minutes make a significant difference, because walking engages the full calf muscle and dramatically improves venous return.
Cut Back on Sodium
Sodium makes your body hold onto water. The more salt in your bloodstream, the more fluid your kidneys retain to keep the concentration balanced. Reducing sodium intake is one of the most effective long-term strategies for managing foot swelling.
The American Heart Association recommends staying under 1,500 mg of sodium per day. For context, a single fast-food meal can contain 1,200 to 2,000 mg on its own. The biggest sources are processed foods, canned soups, deli meats, soy sauce, and restaurant meals. Reading nutrition labels and cooking more at home are the most practical ways to cut your intake. Many people notice a visible reduction in swelling within a few days of lowering their salt consumption.
Stay Hydrated, Don’t Restrict Water
It sounds counterintuitive, but drinking more water can reduce swelling. Your kidneys constantly work to maintain a balance between water and salt in your blood. When you’re dehydrated, your blood becomes more concentrated with sodium, and your brain signals your kidneys to hold onto fluid. Drinking enough water allows your kidneys to flush excess sodium and release retained fluid as urine.
Restricting water when you’re swollen usually backfires. Your body responds to dehydration by conserving even more fluid. Steady, moderate water intake throughout the day is more effective than chugging large amounts at once. When you drink a large volume quickly, your body triggers a protective response and excretes a larger proportion of that fluid before it can do much good.
Try Cold Therapy or Contrast Baths
If your swelling is related to an injury or inflammation, cold therapy helps constrict blood vessels and reduce fluid buildup. For general swelling, contrast baths alternate between cold and warm water to create a pumping effect that pushes fluid out of the tissue.
To do a contrast bath, prepare two basins: one with ice-cold water (as cold as you can tolerate) and one with lukewarm water around 104°F. Start by soaking your feet in the cold water for about two minutes, then switch to the warm water for 30 seconds. Alternate back and forth for up to 15 minutes total, starting and ending with cold. Repeating this three times a day provides the best results. This technique works best starting about 48 hours after an injury, since cold alone is preferred in the first two days.
An Epsom salt soak is another option that many people find soothing. Add half a cup of Epsom salt to a basin of warm water and soak your feet for 15 to 20 minutes. While the evidence for magnesium absorption through skin is limited, the warm water itself promotes circulation, and many people report reduced puffiness afterward.
Check Your Medications
Certain blood pressure medications, particularly calcium channel blockers, are a common and underrecognized cause of foot swelling. The incidence ranges from about 1 to 15% of patients at standard doses, but it can exceed 80% in people taking high doses long-term. If your swelling started or worsened after beginning a new medication, that connection is worth discussing with your prescriber. Combining the medication with another type of blood pressure drug has been shown to cut the swelling rate roughly in half in some cases.
Other medications that commonly cause foot swelling include certain diabetes drugs, steroids, and hormone therapies like estrogen.
When Swelling Points to Something Bigger
Most foot swelling is benign, caused by prolonged sitting, heat, salty meals, or being on your feet all day. But persistent or worsening swelling sometimes signals an underlying condition that needs attention.
Congestive heart failure causes swelling because the heart can’t pump blood efficiently, so fluid backs up into the legs and feet. Kidney disease leads to a buildup of fluid and salts because the kidneys can’t filter them out properly. Chronic venous insufficiency happens when damaged valves in the leg veins allow blood to pool instead of flowing back to the heart. All three conditions cause gradual, often symmetrical swelling that gets worse over time.
Sudden swelling in one foot or leg, especially with pain, warmth, cramping, or skin color changes (redness or a purplish hue), can indicate a deep vein thrombosis, which is a blood clot in a deep leg vein. This requires urgent evaluation because the clot can travel to the lungs. DVT sometimes produces no noticeable symptoms at all, which is why new, unexplained swelling in just one leg warrants prompt attention even if it doesn’t hurt much.
Swelling that leaves a visible dent when you press on it (called pitting), swelling that doesn’t improve with elevation over several days, or swelling accompanied by shortness of breath all suggest something beyond simple fluid retention from a long day on your feet.