Swollen legs usually improve with a combination of elevation, movement, and compression, but the right approach depends on what’s causing the swelling. Most cases involve fluid pooling in the lower legs due to gravity, prolonged sitting or standing, or an underlying condition like heart failure or vein problems. Some causes are harmless and temporary. Others need medical attention right away.
When Leg Swelling Is an Emergency
Before trying home remedies, rule out anything dangerous. Call 911 if your leg swelling comes with chest pain, difficulty breathing, shortness of breath when lying flat, dizziness or fainting, or coughing up blood. These can signal a blood clot that has traveled to your lungs or a serious heart problem.
Get urgent medical care if the swelling appears suddenly for no clear reason, follows an injury like a fall or car accident, or affects only one leg, especially if that leg is painful, pale, or cool to the touch. One-sided swelling is a hallmark of deep vein thrombosis (a blood clot in a leg vein), and catching it early prevents life-threatening complications.
Elevate Your Legs Above Your Heart
The simplest thing you can do right now is lie down and prop your legs up so they sit above heart level. This lets gravity pull fluid back toward your core instead of letting it pool in your feet and ankles. Stack pillows under your calves or rest your legs against a wall.
Aim for about 15 minutes at a time, three to four times a day. Consistency matters more than marathon sessions. If you work at a desk, even a short elevation break during lunch and again after work makes a noticeable difference over days.
Use Movement to Pump Fluid Out
Your calf muscles act like a pump for your veins. Every time they contract, they squeeze blood and lymph fluid upward toward your heart. When you sit or stand still for hours, that pump barely works, and fluid accumulates. Simple exercises restart it.
Ankle pumps: Sit or lie down and pull your toes up toward your shin, then point them toward the floor. Repeat 5 to 10 times. You’ll feel your calf tighten with each rep.
Seated heel raises: With your feet flat on the floor and knees bent, lift your heels while keeping your toes down. Repeat 5 to 10 times.
Standing heel raises: Hold onto a chair or countertop, rise up onto the balls of your feet, then slowly lower back down. Repeat 5 to 10 times. This version generates a stronger calf contraction and is especially helpful if you’ve been standing in one spot.
Walking is the best overall calf pump activator. Even a five-minute walk every hour during a long workday or flight helps prevent fluid from building up.
Try Compression Stockings
Compression stockings apply graduated pressure to your legs, tightest at the ankle and looser toward the knee, which helps push fluid upward. They come in several pressure levels measured in mmHg.
- 15 to 20 mmHg (mild): The lightest medical compression level. Good for minor swelling from travel, long days on your feet, or early-stage fluid retention. Available over the counter.
- 20 to 30 mmHg (moderate): The most commonly prescribed level for ongoing lower-leg swelling and mild to moderate vein problems. Sometimes available without a prescription, though a fitting helps.
- 30 to 40 mmHg (firm): A stronger therapeutic level used for more significant swelling or lymphedema. Typically requires a prescription and professional fitting.
Put compression stockings on first thing in the morning before swelling has a chance to develop. If your legs are already swollen, elevate them for 15 minutes first, then slide the stockings on. Wearing them over swollen tissue without reducing the swelling first can be uncomfortable and less effective.
Reduce Salt and Watch Your Fluids
Excess sodium causes your body to hold onto water, and that extra fluid often settles in your legs. Cutting back on processed foods, canned soups, deli meats, and salty snacks can reduce swelling within days. You don’t need to eliminate salt entirely. Keeping intake below about 2,300 mg per day (roughly one teaspoon) is a practical target.
Drinking enough water sounds counterintuitive when you’re retaining fluid, but staying hydrated actually helps your kidneys flush sodium. Dehydration signals your body to hold onto more water, not less.
Check Whether Your Medications Are the Cause
Several common medications cause leg swelling as a side effect. Blood pressure drugs called calcium channel blockers are among the most frequent culprits. The incidence of ankle swelling ranges from 1% to 15% at standard doses, and it can exceed 80% in people taking high doses long term. If you started a new blood pressure medication and noticed swelling soon after, the drug is a likely cause.
Anti-inflammatory painkillers (NSAIDs), certain diabetes medications, steroids, and some hormone therapies can also cause fluid retention in the legs. Don’t stop a prescribed medication on your own, but do mention the swelling to your doctor. Switching to a different drug within the same class or adjusting the dose often resolves it.
What’s Causing the Swelling
Swelling in both legs at once usually points to a systemic issue: heart failure, kidney disease, liver cirrhosis, or medication side effects. Hormonal shifts during pregnancy or before a menstrual period cause bilateral swelling too, though these are typically temporary.
Swelling in just one leg is more concerning for a localized problem. Deep vein thrombosis, chronic venous insufficiency (where vein valves weaken and allow blood to pool), and lymphedema are the most common causes. A pelvic tumor pressing on veins or a ruptured cyst behind the knee can also cause one-sided swelling, though these are less common.
Your doctor can narrow down the cause with targeted tests. For suspected blood clots, the standard approach starts with a risk scoring system and a blood test called D-dimer, followed by an ultrasound of the leg veins if needed. For bilateral swelling, bloodwork may include tests for kidney function, liver function, thyroid levels, and protein levels, along with a urine sample. An echocardiogram (heart ultrasound) helps evaluate heart failure. If initial tests come back normal, imaging of the pelvis may be ordered to check for a mass compressing the veins.
How to Check Your Swelling at Home
You can gauge the severity of your swelling with a simple test. Press a fingertip firmly into the swollen area for a few seconds, then release. If it leaves an indentation, that’s called pitting edema, and the depth and rebound time tell you how serious it is.
- Grade 1: Barely visible impression, rebounds almost immediately.
- Grade 2: Slight indentation that takes about 15 seconds to fill back in.
- Grade 3: Deeper indentation, about 30 seconds to rebound.
- Grade 4: Deep pit that takes more than 30 seconds to return to normal.
Tracking this over days gives you useful information to share with your doctor and helps you see whether elevation, compression, and movement are actually working.
Protect Your Skin From Complications
Chronic swelling puts constant pressure on the skin of your lower legs, and over time it causes real damage. A condition called venous stasis dermatitis develops when fluid buildup irritates the skin, producing itchy, red, scaly patches that may turn yellowish-brown. The skin can feel heavy, achy, and tender.
Left untreated, stasis dermatitis progresses to open sores and leg ulcers that heal slowly. These wounds are vulnerable to cellulitis, a bacterial skin infection that spreads quickly and requires antibiotics. If you notice skin discoloration, thickening, or any breaks in the skin on your lower legs, treat it seriously.
Keep the skin moisturized with a fragrance-free lotion to prevent cracking. Avoid scratching itchy patches, which creates entry points for bacteria. Gentle washing with mild soap and patting dry (rather than rubbing) protects fragile skin. Compression stockings also help by reducing the pressure that triggers skin changes in the first place.