Swollen feet in older adults usually improve with a combination of leg elevation, compression, gentle movement, and dietary changes. The most common cause of foot and ankle swelling in people over 50 is venous insufficiency, a condition where the veins in the legs lose their ability to efficiently push blood back up to the heart. Fluid leaks into surrounding tissue and pools in the lowest points of the body. While that’s the leading cause, several other conditions and even common medications can trigger swelling, so identifying the underlying reason matters as much as managing the symptoms.
Why Feet Swell More With Age
Your circulatory system relies on a balance of pressures inside blood vessels to keep fluid where it belongs. Proteins like albumin pull fluid back into your bloodstream, while the pressure of blood flowing through capillaries pushes some fluid out. Your lymphatic system acts as a drainage network, mopping up the excess. With age, each of these systems can weaken. Veins lose elasticity and their one-way valves become less effective, allowing blood to pool in the lower legs. The kidneys also respond to reduced blood flow by holding onto more sodium and water, which adds to the problem.
Chronic venous insufficiency is typically bilateral, meaning both feet swell. Heart failure, kidney disease, and liver disease can all produce similar symmetrical swelling. When only one foot or leg swells, the concern shifts to a possible blood clot, known as deep vein thrombosis. A single swollen leg that’s warm to the touch, painful in the calf, or bluish in color needs prompt medical evaluation. Symmetrical, gradual swelling that worsens over the course of the day is far more commonly a sign of venous insufficiency or a systemic issue.
Medications That Can Cause Swelling
Before adding new remedies, it’s worth checking whether a medication is contributing to the problem. Several drug classes commonly prescribed to older adults are known to cause peripheral edema. Calcium channel blockers, frequently used for high blood pressure, are one of the most common culprits. Diabetes medications in the thiazolidinedione class carry the same risk. Nerve pain drugs like gabapentin and pregabalin, NSAIDs such as ibuprofen, steroids, insulin, and certain antipsychotics can all promote fluid retention in the feet and ankles.
If swelling started or worsened shortly after beginning a new medication, that connection is worth raising with a prescriber. In many cases, an alternative drug can be substituted without the same side effect.
Elevate Your Feet Above Your Heart
Elevation is the simplest and most immediately effective strategy. The key detail is height: your feet need to be above the level of your heart for gravity to help drain fluid back toward your core. Propping your feet on a low ottoman while sitting in a chair isn’t enough. Lying down on a couch or bed with two or three pillows under your calves, or using a recliner that tilts back far enough, gets you into the right position. Aim to do this several times a day, and elevating your legs during sleep can provide additional relief overnight. A foam wedge pillow under the mattress at the foot of the bed works well for this.
Compression Stockings: What Pressure to Choose
Compression stockings work by applying graduated pressure to the leg, tightest at the ankle and loosening toward the knee. This helps push blood upward and prevents fluid from settling into the tissue. Research shows that even light compression in the 10 to 15 mmHg range can reduce swelling, but stockings in the 20 to 30 mmHg range are more effective, particularly for people who spend long periods sitting.
Knee-length stockings are the most practical choice for most older adults. Thigh-high versions are harder to put on independently and tend to roll down throughout the day, which can actually create a tourniquet effect and worsen swelling. For someone with limited hand strength or mobility, a stocking donner (a small frame device) makes application much easier. The stockings should go on first thing in the morning before swelling has a chance to build, and come off at bedtime.
Consistency matters more than perfection. A stocking that’s comfortable enough to wear every day will do more good than a higher-pressure one that stays in the drawer.
Gentle Movement to Activate the Calf Pump
The muscles in your calves act as a natural pump for your veins. Every time those muscles contract, they squeeze the veins and push blood upward. Prolonged sitting or standing keeps that pump idle, and fluid accumulates.
Even small movements make a difference. Ankle pumps, where you repeatedly point your toes down and then pull them up toward your shin, can be done while seated in a chair or lying in bed. Aim for 20 to 30 repetitions several times a day. Short walks, even just around the house, engage the calf muscles more fully. For those with mobility limitations, seated heel raises (lifting just the heels off the floor while keeping toes down, then reversing) provide similar benefits.
Raised-leg exercises performed for about 20 minutes, three times a day, have been shown to significantly reduce leg edema in people with venous insufficiency. This can be as simple as lying on your back and gently bending and straightening the knees with the legs elevated. Aquatic exercise is another option that research supports for reducing limb volume while also improving range of motion and reducing pain. The water pressure itself acts as gentle compression around the legs.
Reduce Sodium Intake
Sodium causes your body to retain water, and older adults are more sensitive to this effect than younger people. The average American consumes about 3,400 milligrams of sodium per day. The general recommendation is no more than 2,300 milligrams, but for people with high blood pressure, heart disease, diabetes, or kidney disease, 1,500 milligrams is the better target. Since most older adults with swollen feet fall into at least one of those higher-risk categories, 1,500 milligrams is a practical goal.
Most dietary sodium doesn’t come from the salt shaker. It’s hidden in processed and packaged foods: canned soups, deli meats, frozen meals, bread, and condiments. Reading nutrition labels and choosing low-sodium versions of staple foods can make a surprisingly large difference. Cooking at home with fresh ingredients and flavoring with herbs, citrus, or vinegar instead of salt helps keep totals manageable.
Protect the Skin on Swollen Feet
Chronically swollen skin stretches, thins, and becomes more vulnerable to cracking, tearing, and infection. Cellulitis, a bacterial skin infection, is a common and potentially serious complication of chronic edema in older adults. Good skin care is not optional when swelling is ongoing.
Avoid washing feet with regular soap, which strips the skin’s protective barrier and has a cumulative drying effect with repeated use. A gentle, soap-free cleanser, ideally one that contains an emollient, is a better choice. Pat skin dry rather than rubbing, since friction on fragile skin can cause tears. After washing, apply a moisturizing cream that contains humectants or lipid-replenishing ingredients. These soften brittle skin, reduce cracking, and may help prevent tears. If the skin between toes stays persistently moist, a barrier cream containing dimethicone or zinc oxide can protect against moisture-related breakdown.
Check the feet daily for redness, warmth, open areas, or signs of infection. Skin that is already compromised heals slowly, so catching small problems early prevents larger ones.
When Diuretics Are Used
Diuretics, sometimes called water pills, help the kidneys flush out excess sodium and water. They’re a standard treatment when swelling is caused by heart failure, kidney disease, or other conditions involving fluid overload. They are not typically appropriate for swelling caused by venous insufficiency alone, since the underlying problem in that case is structural rather than related to excess fluid volume.
For older adults taking diuretics, careful monitoring is essential. These medications can lower potassium and sodium to dangerous levels, cause dehydration, and trigger dizziness or drops in blood pressure upon standing. Blood work is usually checked within two to four weeks of starting or adjusting a diuretic dose. The balance between reducing swelling and avoiding side effects requires ongoing attention, which is why diuretics are prescribed and managed by a clinician rather than used as a self-directed remedy.
Pneumatic Compression Devices
For persistent or more severe swelling that doesn’t respond well to stockings and elevation alone, home-based pneumatic compression devices offer another option. These are inflatable sleeves that wrap around the lower leg and rhythmically inflate and deflate, mimicking the action of a manual lymphatic drainage massage. Studies on home use have shown significant reductions in limb volume and improvements in quality of life when devices are used for about an hour twice daily over four weeks. The results are best when combined with other maintenance strategies like compression garments. These devices typically require a prescription and are often covered by insurance for qualifying conditions.