Swollen feet usually improve with a combination of elevation, movement, compression, and dietary changes. The swelling happens when excess fluid builds up in the tissue of your feet and ankles, typically because of prolonged standing, too much salt, medication side effects, or an underlying condition affecting your heart, kidneys, or veins. Most cases respond well to home strategies, but the right approach depends on what’s causing the swelling in the first place.
Why Your Feet Are Swelling
Fluid pools in your feet when the normal balance of pressure inside your blood vessels gets disrupted. This can happen through several mechanisms: increased pressure pushing fluid out of your veins, weakened vein walls that let fluid leak through, low protein levels in your blood that fail to pull fluid back in, or a sluggish lymphatic system that can’t drain fluid efficiently. Gravity does the rest, pulling that escaped fluid down to your feet and ankles.
The most common everyday causes include standing or sitting for long stretches, eating too much sodium, pregnancy, and medication side effects. Certain blood pressure medications called calcium channel blockers are a frequent culprit. At standard doses, ankle swelling affects 1 to 15% of people taking them, but at higher doses that number can exceed 80%. If your swelling started around the same time as a new prescription, that connection is worth exploring with your prescriber.
Chronic swelling in both legs often points to venous insufficiency, where the valves in your leg veins weaken and let blood pool. When swelling is more widespread, it can signal heart failure, kidney disease, or liver problems. Swelling that appears suddenly in just one leg is a different story entirely and needs prompt medical attention, since it can indicate a blood clot.
Elevate Your Legs the Right Way
Elevation is the simplest and most immediately effective tool. The key detail most people miss: your feet need to be above the level of your heart, not just propped on an ottoman. Lying on a couch or bed with your legs resting on a stack of pillows works well. Aim for about 15 minutes per session, three to four times a day. This uses gravity to help fluid drain back toward your core, and you’ll often notice a visible difference after just one session.
If you work at a desk, even small adjustments help. A footrest that keeps your feet elevated during the day won’t match the effect of lying down, but it reduces the amount of fluid that accumulates by the evening.
Move Your Feet and Ankles Often
Your calf muscles act as a pump for your veins, squeezing blood upward with each contraction. When you sit or stand still for hours, that pump goes idle and fluid backs up into your feet. Even simple ankle pumps, where you point your toes down and then pull them up toward your shin, activate this mechanism. NewYork-Presbyterian recommends doing ankle pumps for two to three minutes at a time, repeating two to three times per hour when you’re sedentary.
Walking is the most natural way to engage your calf pump. A 10 to 15 minute walk several times a day is more effective for swelling than one long walk. Swimming and water aerobics are particularly good options because the water pressure itself provides gentle compression on your legs while you move.
Try Compression Stockings
Compression stockings apply graduated pressure to your legs, tightest at the ankle and loosening as they go up. This prevents fluid from settling in your feet and helps push it back into circulation. The pressure levels come in distinct ranges, and choosing the right one matters.
- 15 to 20 mmHg (mild): Best for very early or mild swelling, preventive use during travel, or daily maintenance once swelling has already been reduced.
- 20 to 30 mmHg (moderate): The most commonly prescribed level for mild to moderate swelling. This is where most people with recurring foot edema should start.
- 30 to 40 mmHg (firm): Used for more significant swelling, including moderate lymphedema or cases that don’t improve with lighter compression.
Put compression stockings on first thing in the morning, before your feet have a chance to swell. If you wait until afternoon, you’re essentially trapping the fluid that’s already there. Stockings above 20 mmHg are best fitted with guidance from a pharmacist or clinician to make sure the size and pressure level are appropriate.
Cut Back on Sodium
Sodium makes your body hold onto water. For people with edema, dietary guidelines from Georgetown University suggest keeping daily sodium intake between 1,375 and 1,800 mg. For context, a single fast food meal can easily contain 1,500 mg or more, and the average American consumes over 3,400 mg per day.
The biggest sources of hidden sodium are processed and packaged foods: canned soups, deli meats, frozen meals, bread, and condiments like soy sauce and salad dressings. Cooking at home with fresh ingredients and seasoning with herbs, spices, lemon juice, or vinegar instead of salt makes a noticeable difference within a few days. Your body releases the excess water it was holding once sodium levels drop, and many people see their swelling reduce before the end of the first week.
Soak in Epsom Salt Water
Epsom salt soaks are a popular home remedy, and there is some clinical evidence supporting their use. A study on pregnant women with foot swelling found that soaking feet in lukewarm water with 30 grams (roughly two tablespoons) of Epsom salt for 20 minutes daily reduced swelling by about 74% over three days. Half the participants had no measurable swelling left after the treatment period.
The warm water likely helps by promoting circulation, while the magnesium sulfate in Epsom salt may draw fluid from swollen tissue through osmosis. Even if the effect is partly from the warm water soak itself, it’s a low-risk strategy that many people find provides noticeable short-term relief. Keep the water warm but not hot, especially if you have diabetes or reduced sensation in your feet.
Stay Hydrated (Yes, Really)
It sounds counterintuitive, but drinking more water can help reduce swelling. When you’re dehydrated, your body responds by retaining more fluid as a protective measure. Staying well hydrated signals your kidneys to release excess sodium and water. There’s no magic number, but aiming for six to eight glasses of water throughout the day is a reasonable target for most adults. Limiting alcohol also helps, since alcohol promotes dehydration and subsequent fluid retention.
When Swelling in One Leg Needs Urgent Attention
Swelling that appears suddenly in just one foot or leg, especially with pain, warmth, redness, or tenderness, can indicate a deep vein thrombosis (a blood clot in your leg vein). This requires same-day medical evaluation. The risk is higher if you’ve recently had surgery, been on a long flight, are on hormonal birth control, or have been immobile for an extended period.
Chronic swelling in one leg that develops gradually is less urgent but still worth investigating. It can signal venous insufficiency, a prior clot that damaged your veins, or lymphedema. These conditions benefit from specific treatment plans beyond general home remedies.
Swollen Feet During Pregnancy
Some foot swelling during pregnancy is completely normal, especially in the third trimester, as blood volume increases and the growing uterus puts pressure on veins that return blood from your legs. Elevation, gentle movement, compression stockings, and reducing sodium all help manage it.
What’s not normal is sudden, severe swelling, particularly if it appears in your face and hands along with your feet. This pattern can be a sign of preeclampsia, a serious pregnancy complication involving high blood pressure. Sudden weight gain that doesn’t match your eating habits is another red flag. These symptoms warrant a call to your OB provider right away, not a wait-and-see approach.
Putting It All Together
The most effective approach combines several strategies rather than relying on just one. A practical daily routine might look like this: put on compression stockings in the morning, keep sodium under 1,800 mg, take short walks or do ankle pumps every hour or two, elevate your legs for 15 minutes a few times during the day, and soak your feet in Epsom salt water in the evening. Most people with mild to moderate swelling from everyday causes notice meaningful improvement within a few days of consistent effort.
If your swelling doesn’t respond to these measures after a week or two, or if it’s getting progressively worse, that’s a signal the cause may be something that needs medical investigation. Persistent bilateral swelling can be an early sign of heart, kidney, or liver issues that are much easier to manage when caught early.