Swollen feet and legs usually improve with a combination of elevation, movement, compression, and dietary changes. The swelling happens when fluid leaks out of your blood vessels and pools in the tissue of your lower extremities, pulled there by gravity. Most cases respond well to simple home strategies, but the right approach depends on what’s causing the swelling in the first place.
Elevate Your Legs Above Your Heart
Elevation is the fastest way to get relief. Lying down and propping your legs up lets gravity work in your favor, pulling trapped fluid back toward your core where your body can process and eliminate it. The higher the angle, the more fluid drains: research comparing different elevation angles found a strong correlation between steeper angles and greater fluid reduction, with 90 degrees (legs straight up a wall) significantly outperforming lying flat.
You don’t need to go to extremes to get meaningful relief. Elevating at about 30 degrees for 15 to 30 minutes is comfortable and effective for most people. The key is getting your feet above heart level, not just resting them on an ottoman. Try lying on a couch with pillows stacked under your calves, or lie on the floor with your legs resting up against a wall. Aim for at least two or three sessions a day if swelling is persistent.
Use Compression Stockings
Compression stockings apply graduated pressure to your legs, tightest at the ankle and loosening as they go up. This helps push fluid upward and prevents it from pooling. They come in different pressure levels measured in millimeters of mercury (mmHg):
- Low compression (under 20 mmHg): good for mild, occasional swelling from long days on your feet
- Medium compression (20 to 30 mmHg): appropriate for moderate swelling or general leg edema
- High compression (30 to 40 mmHg): effective for more severe swelling, including lymphedema and chronic venous insufficiency
Generally, the highest level of compression you can tolerate will provide the most benefit. Put them on first thing in the morning before swelling builds up during the day. If you’ve never worn compression stockings before, start with a lower pressure and work your way up. A pharmacist or medical supply store can help you find the right size and fit.
Move Frequently and Do Ankle Pumps
Sitting or standing in one position for hours is one of the most common triggers for leg swelling. Your calf muscles act as a pump for your veins, squeezing blood back up toward your heart with every step. When you’re still, that pump stops working and fluid accumulates. Research confirms that even brief sit-to-stand transitions during prolonged sitting meaningfully reduce leg swelling compared to staying seated.
If you work at a desk or travel frequently, set a reminder to stand up and walk around every 30 to 60 minutes. When walking isn’t an option, ankle pumps are a simple alternative: point your toes toward your knees, then point them away from you, alternating back and forth as far as you can in each direction. Do this for two to three minutes, and repeat two to three times per hour. You can do these sitting in a chair, lying in bed, or on the floor. Some mild soreness is normal, but stop if you feel increased pain.
Cut Back on Sodium
Salt makes your body hold onto water, and that extra fluid has to go somewhere. For people dealing with persistent swelling, the American Heart Association and related organizations recommend limiting sodium to no more than 2,000 mg per day. That’s less than a single teaspoon of table salt, and well below what most people actually consume.
The biggest sources of sodium aren’t the salt shaker on your table. They’re processed and packaged foods: canned soups, deli meats, frozen meals, sauces, and restaurant food. Reading nutrition labels and cooking more meals at home are the most practical ways to bring your intake down. Even modest reductions can make a noticeable difference in how much fluid your body retains.
Check Whether a Medication Is the Cause
Several common medications cause leg and foot swelling as a side effect. Calcium channel blockers, widely prescribed for high blood pressure, are one of the most frequent culprits. The swelling can be significant enough that doctors sometimes have to limit the dose. Other medications linked to edema include certain diabetes drugs, anti-inflammatory painkillers (NSAIDs), steroids, some antipsychotics, nerve pain medications, and insulin.
If your swelling started or worsened after beginning a new medication, that connection is worth exploring with your prescriber. Don’t stop taking a medication on your own, but know that switching to a different drug in the same class or adjusting the dose often resolves the problem.
Why Your Legs Are Swelling
Home remedies work well for swelling caused by long days on your feet, heat, pregnancy, or too much salt. But persistent or worsening swelling can signal something more serious. Understanding the underlying cause helps you choose the right response.
Heart failure is one of the most common medical causes. When the heart can’t pump efficiently, blood backs up in the veins and pressure forces fluid into surrounding tissue. The kidneys compound the problem by holding onto extra sodium and water. Liver disease works through a different path: the liver stops producing enough of a protein called albumin, which normally keeps fluid inside your blood vessels. When albumin drops too low (below about 2 grams per deciliter), fluid seeps out and collects in the legs and abdomen. Kidney disease causes swelling through both protein loss and direct fluid retention.
Chronic venous insufficiency, where damaged valves in the leg veins allow blood to flow backward and pool, is another frequent cause. The increased pressure in those veins pushes fluid into surrounding tissue. Lymphedema occurs when the body’s drainage system is blocked or damaged, often after surgery or injury, and fluid accumulates because it simply has no path to drain through.
How to Gauge the Severity
You can get a rough sense of how severe your swelling is with a simple test. Press your thumb firmly into the swollen area for a few seconds, then release. If the skin bounces right back, the swelling may be from a different mechanism. If your thumb leaves a visible dent, that’s called pitting edema, and the depth of the dent tells you the grade:
- 1+ (mild): indentation less than 4 mm deep
- 2+ (moderate): 4 to 6 mm deep
- 3+ (moderately severe): 6 to 8 mm deep
- 4+ (severe): deeper than 8 mm
Mild pitting after a long day is common and usually responds to the home strategies above. Deeper pitting that persists day after day warrants medical evaluation.
Signs That Need Urgent Attention
Most leg swelling is not an emergency, but some patterns point to a blood clot in the deep veins, a condition that can become dangerous if the clot travels to the lungs. Be alert if your swelling is in one leg only and comes with calf pain or tenderness, skin that feels warm to the touch, visible surface veins that weren’t there before, or a bluish discoloration of the skin. These symptoms together, especially after surgery, a long flight, or a period of immobility, call for prompt medical evaluation. Sudden swelling in both legs combined with shortness of breath can indicate a heart-related problem that also needs immediate attention.