07/11/2026
"I Thought It Was Just a Sprain.” Why So Many Ankle Injuries Get Worse Before They Get Better
You stepped off a curb wrong. Maybe you landed awkwardly on the court, or your foot caught a patch of uneven pavement on a morning run. There was a sharp twist, some immediate swelling, and that specific kind of pain that makes you wince and stop walking for a second.
You iced it. You wrapped it. You stayed off it for a few days. And then, because life doesn't pause for a sore ankle, you went back to your routine.
That was three months ago. It's mostly fine now, except for the moments when it isn't. The occasional give-out when you step the wrong way. The low-grade ache after a long day on your feet. The nagging feeling that something still isn't quite right, even though you can walk on it, even though you've been walking on it this whole time.
Here's the thing: you weren't wrong to wait and see. "Walk it off" is genuinely reasonable advice for a mild ankle sprain. Millions of people roll their ankles every year, and most of those injuries do heal on their own with rest, ice, and time.
The problem is that not every ankle injury that feels like a mild sprain actually is one. And from the outside — without imaging, without a physical exam, there's almost no reliable way to tell the difference.
Three Injuries That Look Like a Sprain (But Aren't)
1. A Standard Lateral Ankle Sprain — The One That Usually Does Heal on Its Own
When most people picture a sprained ankle, this is what they mean. The foot rolls inward, the ligaments on the outside of the ankle get stretched or partially torn, and the result is swelling, bruising, and pain along the outer ankle.
A mild sprain involves stretching or tiny tears in the ligament, with recovery taking one to two weeks. Moderate sprains involve a partial ligament tear and typically take two to four weeks to heal. In severe sprains, the ligament tears completely, and recovery takes six to eight weeks.
For most people, rest, ice, compression, and elevation, the familiar RICE protocol, is genuinely enough. This injury does what people expect: it hurts, it swells, and then over the course of a few weeks, it gets better.
The trouble starts when one of the next two injuries gets treated the same way.
2. A High Ankle Sprain, The One That Looks Mild But Isn't
A high ankle sprain sounds like a more dramatic version of a regular sprain. It isn't, exactly, it's a different injury in a different location, and it's one of the most commonly misidentified ankle injuries there is.
A high ankle sprain involves damage to the ligaments that connect the two bones of the lower leg, the tibia and fibula, above the ankle joint. Because high ankle sprains don't always produce the same swelling and bruising as low ankle sprains, it's important not to dismiss the pain.
That's what makes it so easy to mistake for something minor. The swelling might actually be less visible than a typical sprain. The bruising might be subtler. But the pain tends to sit higher up on the leg, between the shin bones rather than on the outer ankle, and it tends to flare with specific movements, especially rotating the foot outward or climbing stairs.
High ankle sprains are less common but more serious than regular sprains. They heal more slowly, taking six to twelve weeks or more, and may require surgery if the joint is unstable.
The real danger of treating a high ankle sprain like a regular one is what happens to the joint when it doesn't get proper stabilization. The tibia and fibula need to remain correctly positioned relative to each other while those ligaments heal. If the tibia and fibula are not in the correct position, the risk for continued problems with the ankle increases significantly, including developing ankle arthritis.
Walking on an unstable high ankle sprain, which is exactly what most people do when they assume they're dealing with a regular sprain, can quietly make the injury worse with every step.
To learn about the 3rd type of ankle injury and why just waiting it out can be damaging, follow the link to the blog in the comments!
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