Swollen feet usually respond well to a combination of elevation, movement, compression, and dietary changes. The swelling happens when tiny blood vessels leak fluid into surrounding tissue, and gravity pulls that fluid down into your feet and ankles throughout the day. Most cases improve within hours using simple strategies at home, though persistent or one-sided swelling can signal something more serious.
Elevate Your Feet Above Your Heart
Elevation is the fastest way to get visible relief. The key detail most people miss: your feet need to be higher than your heart, not just propped on an ottoman. Lie on a couch or bed and stack pillows under your calves and feet until they’re above chest level. Aim for about 15 minutes per session, three to four times a day. This lets gravity work in reverse, draining pooled fluid back toward your core where your body can process and eliminate it.
If you work at a desk, even a partial elevation during the day helps. Prop your feet on a box or footrest so they’re at least at hip level. It won’t match the effectiveness of lying down, but it slows the rate at which fluid accumulates.
Use Ankle Pumps and Gentle Movement
Your calf muscles act as a built-in pump for pushing blood and fluid back up your legs. When you sit or stand still for hours, that pump goes idle and fluid pools. Ankle pumps are the simplest way to activate it: while sitting or lying down, point your toes toward your knees as far as you can, then point them away from you. Alternate back and forth for two to three minutes, and repeat two to three times per hour.
Walking works even better because it engages the full calf muscle with each step. If you’ve been sitting for a long stretch, even a five-minute walk around your home or office can make a noticeable difference. The goal is to avoid long periods of stillness, which is the single biggest contributor to everyday foot swelling in otherwise healthy people.
Compression Stockings and How to Choose Them
Compression stockings apply graduated pressure to your legs, squeezing fluid upward and preventing it from settling in your feet. They come in different pressure levels measured in mmHg, and the right level depends on how much swelling you’re dealing with.
- 15 to 20 mmHg (mild): Good for very early or occasional swelling, long flights, or days when you’ll be on your feet. Available over the counter at most pharmacies.
- 20 to 30 mmHg (moderate): The most commonly prescribed level for mild to moderate lower-leg swelling. This is the starting point for most people with recurring edema.
- 30 to 40 mmHg (firm): Used for more stubborn swelling, especially when lower levels don’t hold through the day. Common for venous insufficiency or swelling with thickened skin tissue.
- 40 to 50 mmHg and above: Reserved for severe cases and only appropriate after a clinical assessment.
Put compression stockings on first thing in the morning before swelling builds. They’re much harder to get on over already-swollen feet, and they work best as prevention rather than treatment once swelling has peaked.
Cut Back on Sodium
Sodium causes your body to hold onto water, and excess salt is one of the most common dietary triggers for swollen feet. For people prone to fluid retention, keeping daily sodium intake between 1,375 and 1,800 milligrams can make a meaningful difference. For context, a single fast-food meal can easily contain 1,500 milligrams or more, and the average American consumes over 3,400 milligrams daily.
The biggest sodium sources aren’t the salt shaker. They’re processed foods, canned soups, deli meats, frozen meals, condiments, and restaurant dishes. Reading nutrition labels and cooking more meals at home gives you the most control. You don’t need to eliminate salt entirely, but cutting your intake roughly in half from the typical Western diet is often enough to see results within a few days.
Stay Hydrated, Don’t Restrict Water
It sounds counterintuitive, but drinking more water can actually help reduce swelling. When you’re dehydrated, your body responds by holding onto fluid more aggressively. Drinking a sufficient volume of water triggers your kidneys to release more of the sodium and fluid your body has been storing. This effect is well documented: rapid water intake lowers sodium concentration in the blood, which signals the kidneys to produce more urine and shed excess fluid.
There’s no magic number, but aiming for about eight glasses a day is a reasonable baseline. If your urine is consistently dark yellow, you’re likely not drinking enough.
Try a Warm Epsom Salt Soak
Soaking your feet in warm water with Epsom salt is a popular home remedy, and there’s some basis for it. A small 2016 study found that magnesium from Epsom salt can penetrate the outer layer of skin, with absorption depending on concentration and soak duration. Magnesium plays a role in fluid balance and muscle relaxation, which may help ease the tightness and discomfort of swollen feet.
For best results, use water between 92°F and 100°F, which is warm but not hot. Soak for about 15 minutes. Even if the magnesium absorption is modest, warm water alone improves circulation and can provide temporary relief from the achiness that comes with swelling.
When Swelling Points to Something Bigger
Occasional swelling after a long day, a salty meal, or a flight is normal. But certain patterns deserve attention. Swelling that appears in only one leg, especially with pain, warmth, skin color changes, or calf tenderness, can be a sign of a blood clot known as deep vein thrombosis (DVT). DVT can also occur without obvious symptoms, which is why unexplained one-sided swelling shouldn’t be ignored.
Chronic swelling that shows up daily, particularly at the end of the day or after standing, may indicate chronic venous insufficiency. This condition develops when the valves in your leg veins become damaged and can no longer push blood efficiently back toward the heart. Blood pools under the force of gravity, creating persistent swelling and pressure. DVT is actually the most common cause of this valve damage.
Swelling in both feet that doesn’t resolve with elevation and lifestyle changes can also be linked to heart, kidney, or liver conditions that affect how your body manages fluid. If your feet stay swollen for more than a few days despite the strategies above, or if pressing on the swollen area leaves an indent that lingers (called pitting), that’s worth getting evaluated. The underlying cause determines what treatment actually works long term.