Most swollen ankles heal well with a combination of rest, ice, compression, and gentle movement over a period of days to weeks. The key is acting quickly in the first 48 to 72 hours to control inflammation, then gradually reintroducing movement and support as the swelling goes down. Here’s how to manage each phase.
Start With Rest, Ice, Compression, and Elevation
The classic RICE approach remains the first line of treatment for a swollen ankle, whether the cause is a sprain, a minor strain, or general overuse. Each element targets swelling from a different angle, and they work best together.
Rest means staying off the ankle as much as possible in the first couple of days. You don’t need to be completely immobile, but avoid putting weight on it or doing anything that increases pain. Crutches can help if walking is uncomfortable.
Ice constricts blood vessels and slows the flow of inflammatory fluid into the injured tissue. Apply an ice pack with a thin cloth or towel between the ice and your skin for 10 to 20 minutes at a time, repeating every one to two hours. Don’t leave ice on longer than 20 minutes, as prolonged cold can damage skin and nerves.
Compression physically limits how much the tissue can swell. Wrap a stretchy bandage starting at the ball of your foot, pulling it diagonally across the top of the foot and around the ankle in a figure-eight pattern. Continue wrapping upward until the bandage covers the entire foot and extends about 3 to 4 inches above the ankle. Keep it snug but not tight enough to cut off circulation. If your toes go numb, turn white, or tingle, loosen the wrap immediately.
Elevation uses gravity to drain fluid away from the ankle. Prop your foot up above the level of your heart whenever you’re sitting or lying down. A couple of pillows under the ankle while you’re on the couch or in bed does the job.
Use Anti-Inflammatory Medication Carefully
Over-the-counter pain relievers like ibuprofen reduce both pain and inflammation, which can make a real difference in the first few days. The standard adult dose for mild to moderate pain is 400 milligrams every four to six hours as needed. Don’t exceed the maximum listed on the packaging, and avoid using it for extended stretches without guidance from a doctor, as prolonged use can irritate the stomach and affect kidney function. If you have a history of stomach ulcers, heart problems, or kidney issues, check with a pharmacist before taking it.
Introduce Gentle Movement Early
Once the worst of the initial swelling and pain starts to settle (usually after 48 to 72 hours), gentle exercises help pump fluid out of the ankle and prevent stiffness. You’re not trying to strengthen the ankle yet. The goal is simply to restore range of motion.
Ankle pumps: Sit with your leg extended and bend your foot up and down briskly, as if pressing and releasing a gas pedal. Keeping your knee straight during this movement also gives your calf a mild stretch. Start with 10 to 15 repetitions and increase as comfort allows.
Ankle circles: Slowly rotate your foot in a full circle, as if drawing an “O” with your big toe. Do 10 circles in one direction, then switch. This moves the joint through its full range without loading any weight on it.
Both of these can be done while sitting on the couch or lying in bed with your ankle elevated, so you’re combining movement with elevation at the same time.
Progress to Weight-Bearing Exercises
As pain continues to decrease over the following days and weeks, standing exercises rebuild strength and stability. Rushing this stage is one of the most common reasons people re-injure a healing ankle, so let pain be your guide.
Calf stretches: Stand facing a wall with one foot forward and the injured leg straight behind you. Lean forward until you feel a stretch in the back of your calf. Hold for 20 to 30 seconds and repeat a few times. For a deeper stretch targeting the lower calf, bend both knees slightly while keeping both heels on the floor.
Heel raises: Hold onto a chair or counter for balance. Push up onto your toes, hold for a couple of seconds, then lower back down. Start with 8 to 10 repetitions. This rebuilds the calf and Achilles tendon strength that supports ankle stability. If doing this on both feet feels easy, try it on just the injured side.
Choose the Right Ankle Support
An ankle brace or wrap can protect the joint while you return to daily activities. Lace-up braces and rigid double-upright braces are the two most common options, and research comparing the two found that lace-up braces actually restricted the ankle movements most associated with sprains (the foot rolling inward and pointing downward) more effectively than rigid braces. Lace-up braces also scored higher on comfort, fit, and overall satisfaction, with 70% of users preferring them.
A lace-up brace is a good choice for most people returning to walking, light exercise, or work after a swollen ankle. If your injury is more severe or you’ve been told you have ligament damage, your doctor may recommend a more structured brace or walking boot instead.
Adjust Your Diet to Reduce Fluid Retention
What you eat and drink can either help or hinder your body’s ability to clear swelling. Sodium is one of the biggest dietary contributors to fluid retention. Cutting back on salty foods, choosing low-sodium versions of packaged items, and skipping the salt shaker can make a noticeable difference in how quickly swelling resolves.
Staying well hydrated also helps. When your body senses dehydration, it holds onto more fluid, which can worsen swelling. Water, broth, and natural juices all count. Alcohol and heavily caffeinated drinks work against you here because they promote dehydration.
Two minerals play supporting roles. Potassium helps balance sodium levels in your body, so eating potassium-rich foods like bananas can assist with fluid clearance. Magnesium deficiency has also been linked to fluid retention. Adults need roughly 310 to 420 milligrams of magnesium per day depending on age and sex, and good food sources include almonds, cashews, spinach, potatoes, and brown rice.
Try Contrast Baths for Lingering Swelling
If swelling persists after the acute phase, contrast baths can help stimulate circulation. Fill one basin with hot water (100 to 110°F) and another with cold water (59 to 70°F). Submerge your foot and ankle in the hot water for 3 to 4 minutes, then switch to the cold water for 1 minute. Repeat the cycle three to four times, ending on cold. The alternating temperatures cause blood vessels to open and close rhythmically, which acts like a pump to move fluid out of the area. Avoid contrast baths in the first 48 to 72 hours after an acute injury, when ice alone is more appropriate.
Signs That Need Medical Attention
Most ankle swelling from a minor sprain or strain improves steadily over one to two weeks. But certain patterns suggest something more serious is going on. Seek medical care if the swollen area becomes warm, red, or inflamed, especially if it’s only one leg. Swelling accompanied by a fever also warrants prompt evaluation, as does severe pain that doesn’t improve at all with rest and ice. These can be signs of a fracture, a blood clot, or an infection, all of which require different treatment than a simple sprain. If you heard a pop at the time of injury or can’t bear any weight on the ankle at all, an X-ray is worth getting to rule out a break.