Most sprained ankles heal well with a combination of short-term rest, compression, elevation, and early movement. The key is protecting the injury for the first few days, then gradually loading weight and building strength rather than staying off it for weeks. How aggressively you treat it depends on whether you’re dealing with a mild stretch, a partial tear, or a complete ligament tear.
Figuring Out How Bad It Is
Ankle sprains fall into three grades based on how much ligament damage has occurred. A Grade 1 sprain means the ligament has been stretched or slightly torn. You’ll have mild tenderness and swelling, but the ankle feels stable and you can usually walk with minimal pain. A Grade 2 sprain is a more severe but still incomplete tear, with moderate pain, swelling, bruising, and noticeable tenderness when touched. Walking is painful. A Grade 3 sprain is a complete tear of one or more ligaments, causing severe swelling, bruising, and instability. The ankle gives out under weight, and walking is likely not possible.
If you can’t put weight on it at all, or if pressing on the bony bumps on either side of your ankle produces sharp pain, you should get an X-ray to rule out a fracture. These are the criteria emergency doctors use to decide whether imaging is necessary. Pain in the soft, fleshy areas without bone tenderness and with the ability to take at least four steps typically points to a sprain rather than a break.
What to Do in the First 72 Hours
The traditional advice of rest, ice, compression, and elevation (RICE) has been updated. Sports medicine guidelines now recommend a framework called PEACE for the first few days, which shifts away from some older practices.
Protect: Limit movement and avoid putting full weight on the ankle for one to three days. This reduces bleeding inside the tissue and prevents further damage. But don’t stay off it longer than necessary, because prolonged rest weakens the healing tissue.
Elevate: Keep the ankle above heart level whenever possible to help drain fluid and reduce swelling.
Compress: Wrap the ankle with an elastic bandage or use a compression sleeve to limit swelling and internal bleeding. The wrap should be snug but not tight enough to cause numbness or tingling in your toes.
Avoid anti-inflammatory medications early on: This one surprises most people. Inflammation is part of the repair process, and taking anti-inflammatory drugs in the first few days can interfere with long-term tissue healing, particularly at higher doses. If pain is severe, acetaminophen is a better option for those initial days. The evidence on ice is similarly uncertain. While icing can numb pain temporarily, it may also slow the body’s natural healing response by disrupting blood flow and delaying the arrival of immune cells that clean up damaged tissue.
Stay active in recovery: Passive treatments like ultrasound therapy, acupuncture, or manual therapy in the early stages have minimal effects on pain and function compared to simply starting gentle movement. An active approach consistently produces better outcomes.
When to Start Moving Again
Earlier than you might think. Range-of-motion exercises started within the first week, combined with weight-bearing as tolerated, lead to faster return to normal activity. You can begin bearing weight and exercising as soon as pain allows. For severe sprains where walking is impossible, a short period in a walking boot or below-knee cast (around 10 days, applied two to three days after injury) can help with pain control. But casting doesn’t change long-term outcomes. It’s a comfort measure, not a healing accelerator.
The goal is to add mechanical stress gradually. Gentle loading signals the body to lay down stronger repair tissue. Sitting completely still for weeks produces weaker, stiffer healing. Pain is your guide here: movement should be uncomfortable but not sharp or worsening.
Exercises That Speed Recovery
Rehabilitation targets three things: restoring range of motion, rebuilding strength, and retraining balance. Strong evidence supports exercise as the single most effective treatment for ankle sprains and for preventing re-injury.
Range of Motion
Start with the ankle alphabet: sit with your foot off the floor and use your big toe to trace each letter of the alphabet in the air. Do this twice daily. You can also loop a towel around the ball of your foot while sitting with your leg straight, pulling gently toward you and holding for 30 seconds. Repeat 10 times, twice through. Rolling a golf ball under the arch of your foot for two minutes daily helps restore mobility in the smaller joints.
Strength
Once you can move the ankle through its full range without sharp pain, add resistance work. Calf raises are a staple: stand holding a chair, rise onto your toes, and lower slowly. Two sets of 10, almost daily. Resistance band exercises build the muscles that stabilize the ankle laterally. Anchor a band to a table leg, loop it around your foot, and pull your toes toward you, then point them away. Three sets of 10, three days per week. Smaller muscles matter too. Picking up marbles with your toes (20 repetitions) and scrunching a towel toward you with your toes both strengthen the foot’s intrinsic muscles that support the arch.
Balance Training
This is the part most people skip, and it’s the part that matters most for preventing another sprain. Stand next to a counter or wall, lift your uninjured foot, and balance on the sprained ankle for up to 30 seconds. Do three to five repetitions, nearly every day. As this gets easier, try it on a pillow or with your eyes closed. Proprioception, your ankle’s ability to sense its position and react quickly, is damaged during a sprain. Balance exercises retrain that sense and are the single best protection against re-injury.
Bracing and Taping
External support helps during the return-to-activity phase. Both ankle braces and athletic taping provide stability, but braces tend to be more practical. In a study of young soccer players recovering from lateral ankle sprains, those using an adaptive brace returned to sport in a median of 52.5 days compared to 79.5 days with conventional taping, though the difference wasn’t statistically significant given the small sample. More telling: 71% of brace users said the experience was better than taping, largely because braces are easier to apply consistently and don’t loosen during activity the way tape does. Neither group experienced re-injury.
A lace-up ankle brace or semi-rigid stirrup brace is a reasonable choice for the first several weeks after returning to physical activity. You don’t need to wear one forever, but it provides a safety net while your proprioception and strength are still rebuilding.
Recovery Timeline
Mild sprains typically heal in one to two weeks. Moderate sprains with partial tears take several weeks to a couple of months before you feel fully confident on the ankle. Complete ligament tears can take several months, especially if surgery is needed. These timelines assume you’re actively rehabilitating. Without consistent exercise, healing still occurs, but the ankle tends to remain stiff, weak, and vulnerable to re-injury.
Pain-free aerobic exercise, like cycling or swimming, can start a few days after injury as long as it doesn’t stress the ankle. This boosts blood flow to the healing tissue and helps maintain fitness and motivation during recovery. Running and cutting sports come last, only after you can do single-leg balance work and lateral movements without pain or instability.
Why Re-Injury Is So Common
Up to 70% of people who sprain an ankle will sprain it again. The reason isn’t that the ligament is permanently weakened. It’s that most people stop treatment once the pain fades, skipping the balance and strength work that prevents the next sprain. A ligament that heals without being challenged by progressive loading and proprioceptive training heals in a disorganized way, leaving the ankle less able to respond to sudden shifts in terrain or direction. The rehab exercises described above aren’t optional extras. They’re the core of treatment, and they matter more than anything you do in the first 72 hours.