Swollen feet usually result from fluid pooling in your lower legs due to gravity, inactivity, or excess sodium in your diet. The good news: most cases respond well to simple strategies you can start today. Elevation, movement, dietary changes, and gentle massage can all pull fluid out of your feet and prevent it from building up again.
Elevate Your Feet Above Your Heart
The single fastest way to reduce foot swelling is elevation. When you raise your feet above heart level, gravity works in your favor, helping trapped fluid drain back toward your core. Lie on your back and prop your legs on a stack of pillows, a cushion on the arm of a couch, or a foam wedge so your ankles sit a few inches higher than your chest. Sitting in a recliner with your feet up helps, but lying down with your legs truly above heart height is more effective.
There’s no strict prescription for how long to elevate, but 15 to 20 minutes several times a day is a reasonable starting point. If your feet are noticeably puffy at the end of the day, an evening session before bed can make a visible difference by morning. The key guideline from clinical practice is that elevation should fit into your life without keeping you immobile all day, since movement matters just as much.
Use Your Calf Muscles as a Pump
Your calf muscles act like a built-in pump for pushing blood and fluid back up your legs. When those muscles contract, they squeeze the veins and lymph vessels, forcing fluid upward against gravity. Research on adult women found that roughly two out of five experienced significant fluid pooling in their lower legs after just 30 minutes of sitting still. When the calf muscle pump was activated, that pooling stopped and reversed.
You don’t need a gym session to get this benefit. Simple movements work well:
- Ankle pumps: While seated, point your toes down, then pull them up toward your shin. Repeat 20 times every hour you’re sitting.
- Heel raises: Stand and slowly rise onto your toes, hold for two seconds, then lower. Do 10 to 15 repetitions a few times a day.
- Short walks: Even a five-minute walk around your home or office engages your calves enough to push fluid out of your feet.
If your job keeps you at a desk or on your feet in one spot for hours, setting a timer to move every 30 to 60 minutes can prevent swelling before it starts. The research is clear that the problem for many people isn’t a disease process. It’s simply inadequate calf muscle activity during the day.
Cut Back on Sodium
Sodium causes your body to hold onto water. The more salt you eat, the more fluid your tissues retain, and gravity pulls that extra fluid straight to your feet and ankles. Mayo Clinic guidelines for managing fluid retention suggest limiting salt intake to 2,000 milligrams a day, which is noticeably less than the average American intake of around 3,400 milligrams.
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 dishes. Reading nutrition labels and choosing “low sodium” versions of staples you buy regularly is one of the most practical changes you can make. Cooking at home with fresh ingredients gives you far more control over how much salt ends up in your meals. Most people notice a difference in puffiness within a few days of cutting back.
Try Gentle Self-Massage
Lymphatic drainage massage uses light, rhythmic strokes to guide fluid out of swollen tissue and back into your lymphatic system, which carries it away for processing. You can do a basic version at home without any special equipment.
Start at your neck and work downward to “open” the drainage pathways before you focus on your feet. Use gentle downward strokes on the sides of your neck, then light upward strokes from your trunk toward your armpits and groin. These are the major collection points for your lymphatic system. Once those areas are cleared, move to your thighs with gentle upward strokes, then your lower legs, always stroking toward your body. For the foot itself, stretch the skin gently across the top of your foot from the outside toward the inside of your ankle.
The pressure should be very light, just enough to stretch the skin. You’re not working on muscle like a deep tissue massage. Think of it as gently pushing water through a sponge. Sessions of 10 to 15 minutes can noticeably reduce puffiness, especially when combined with elevation afterward.
Wear Compression Socks
Compression socks apply graduated pressure that’s tightest at the ankle and lighter toward the knee, which helps squeeze fluid upward and prevents it from pooling in the first place. They’re especially useful if you know you’ll be sitting for a long flight, standing for a full shift, or spending a day where elevation and movement aren’t realistic options. Put them on first thing in the morning before swelling has a chance to build up, since pulling them over already-swollen feet is uncomfortable and less effective.
Consider an Epsom Salt Soak
Soaking your feet in warm water with Epsom salt is a popular home remedy. Add half a cup of Epsom salt to a basin of warm water and soak for 30 to 60 minutes, up to twice a week. The warm water promotes circulation, and some people find the magnesium in the salt soothing, though the evidence for magnesium absorbing through the skin in meaningful amounts is limited. Regardless, the warmth and relaxation alone can feel good at the end of a long day, and the soak pairs well with elevation afterward.
On the supplement side, magnesium taken orally may help with fluid retention tied to the menstrual cycle. A study found that 200 milligrams of magnesium daily reduced symptoms of fluid retention, including swelling in the extremities and bloating, after about two months of consistent use.
Check Your Medications
Several common medications cause foot and ankle swelling as a side effect. If your swelling started or worsened after beginning a new prescription, the drug itself may be the culprit.
Blood pressure medications in the calcium channel blocker family are one of the most widely recognized causes of drug-related swelling. They work by relaxing blood vessels, which lowers blood pressure but also increases pressure inside tiny capillaries, pushing fluid into surrounding tissue. The swelling often gets worse at higher doses. Diabetes medications in the thiazolidinedione class cause the body to retain sodium and fluid. NSAIDs, the category that includes ibuprofen and naproxen, reduce the kidneys’ ability to flush out sodium and water. Other drugs linked to swelling include certain nerve pain medications, steroids, some antipsychotics, and insulin.
If you suspect a medication is causing your swelling, don’t stop it on your own. Talk to your prescriber about whether a dose adjustment or alternative drug could help. In many cases, switching within the same drug class resolves the problem.
When Swelling Signals Something Serious
Most foot swelling is harmless, especially if it’s in both feet and follows a predictable pattern (worse after sitting, better in the morning). But certain patterns warrant prompt medical attention.
Sudden swelling in just one leg can signal a blood clot in a deep vein, particularly if it comes with pain, warmth, or redness. Chronic swelling in both legs that doesn’t improve with elevation may point to vein disease, heart failure, or kidney or liver problems. Skin changes around your ankles, like thickening, darkening, or sores that won’t heal, suggest long-standing venous insufficiency that needs treatment beyond home remedies. Any swelling that appears suddenly alongside shortness of breath is a reason to seek emergency care, as it can indicate a heart or lung issue.