Why Is My Ankle Hurting? 5 Causes & When to Worry

Ankle pain almost always traces back to one of three things: a recent sprain, an old sprain that didn't fully heal, or tendinitis from overuse — and how the pain started usually tells you which one you're dealing with.

What Are the Most Common Causes of Ankle Pain?

A sudden twist or roll of the ankle points to a sprain, gradual pain that builds with activity points to tendinitis, and pain with no clear injury at all is more likely arthritis or an old injury catching up with you.

An orthopedic surgeon who treats chronic ankle pain regularly explained one of the most overlooked causes:

"Various injuries and conditions can lead to chronic ankle pain. One common cause is incomplete healing after a sprained ankle." — Dr. Jensen Henry, MD at Hospital for Special Surgery

That detail matters because a lot of people assume a sprain is fully resolved once the swelling and bruising go away, when the ligament itself may not have healed at full strength. That weakness can lead to ongoing pain, recurring rolls, or new pain that shows up months or years later.

A few other common causes worth ruling out:

• Tendinitis — usually from running, hiking, or any repetitive activity that overworks the tendons around the ankle, often accompanied by warmth and swelling along the tendon itself
• Arthritis — osteoarthritis, rheumatoid arthritis, or arthritis that develops specifically after a past injury (post-traumatic arthritis)
• Gout — sudden, intense pain and redness, often at night, caused by uric acid crystal buildup in the joint
• Stress fracture — pain that builds gradually with activity and improves with rest, common in runners and people who recently increased activity quickly

Also Read: Compression sleeve many people use for everyday ankle support

Could an Old Sprain Be Causing Your Pain Now?

Yes — an ankle sprain that seemed to heal completely can still lead to chronic instability or arthritis years later, even if you did everything right during recovery.

A podiatrist who specializes in this exact pattern explained how this happens:

"Unfortunately, it is indeed possible to develop arthritis in your ankle years after an ankle sprain — even if you did absolutely everything right in treatment and the injury fully healed." — Dr. Rachel N. Verville at RNV Podiatry

This is one of the most common reasons people are confused by ankle pain with "no clear cause" — if the original sprain happened years ago and healed without lasting symptoms at the time, it's easy to forget it as a possible explanation for pain that shows up much later. If you're specifically dealing with visible swelling on one side, we've covered that symptom in more depth separately:

Also Read: Why Is My Left Ankle Swollen?

When Should You See a Doctor for Ankle Pain?

See a doctor if any of the following apply:

• You can't bear weight on the ankle at all, or walking is significantly painful
• The ankle is visibly deformed, or you heard or felt a pop at the moment of injury
• Pain, swelling, or warmth has lasted more than a few days without improving
• Pain shows up repeatedly with no clear trigger, especially if the ankle also feels unstable or "gives way"

How to Relieve Ankle Pain at Home

For sprains and tendinitis, rest, ice, compression, and elevation (RICE) in the first 48 hours, followed by gentle range-of-motion movement, covers most recovery — pain that doesn't improve within a week or two is the signal to get it checked rather than continuing to wait it out.

A few additional things that help during recovery and to prevent recurring pain:

• Avoid high-impact activity until pain-free walking is comfortable, then return to activity gradually rather than all at once
• Strengthen the muscles around the ankle once acute pain has settled, since weak supporting muscles make re-injury and chronic instability more likely
• Wear supportive shoes for your activity, especially if you're returning to running or sports after a sprain
• If joint discomfort is a recurring pattern rather than a one-time injury, some people find a daily joint-support supplement helps alongside the exercises above

In Short

Most ankle pain comes from a sprain, tendinitis, or an old injury that didn't fully heal — and the way the pain started is usually the best clue to which one you're dealing with. Rest, ice, compression, and gradual return to activity resolve most cases within one to two weeks. Pain that doesn't improve, recurs often, or comes with instability is worth having evaluated, since an old sprain can quietly lead to chronic pain or arthritis years later.

What You Also May Want To Know

Why does my ankle hurt with no swelling or visible injury?

This pattern often points to tendinitis from overuse, early-stage arthritis, or an old sprain that didn't fully heal at the time, none of which always cause visible swelling. If pain persists more than a week or two, it's worth having it evaluated.

Can an old ankle sprain cause pain years later?

Yes. Even a sprain that seemed to heal completely can leave lasting ligament weakness or eventually lead to arthritis, sometimes showing up as pain years after the original injury.

How long should ankle pain from a sprain last?

Mild sprains typically improve within one to two weeks with rest and basic care. Pain lasting longer than that, or pain that keeps coming back, is worth discussing with a doctor rather than continuing to wait it out.

Is it okay to walk on a sore ankle?

Light walking is usually fine if pain is mild and you're not limping significantly. Avoid walking on an ankle that's too painful to bear weight on normally, since that can be a sign of a more serious injury like a fracture.

What's the difference between ankle tendinitis and arthritis pain?

Tendinitis tends to build with activity and ease with rest, often with localized warmth and swelling along a specific tendon. Arthritis pain tends to be more constant, can include stiffness (especially in the morning), and doesn't always trace back to a specific activity or injury.

Reviewed and Updated on June 25, 2026 by George Wright