Stress Fracture (Foot): Treatment & Recovery

Nothing happened. That's usually the first confusing part. You added a couple of runs a week, or swapped the footpath for the fire trails, and a fortnight later your foot started aching partway through a session. It settled when you stopped, then came back earlier the next run.

A stress fracture builds rather than announcing itself, so it's easy to talk yourself into a few more weeks of training, which is what makes it worse.

What's actually causing it

Bone constantly remodels to cope with the load you put through it. A stress fracture happens when repeated, submaximal loads arrive faster than that remodelling can keep up ³. The foot and ankle are a common site ³.

So the useful question isn't "what's wrong with my foot"; it's "what changed?" Usually it's a sudden increase in repetitive activity with muscle fatigue, or a training error ³, in a high-impact sport like running, soccer or basketball ¹. A change of training surface counts too ⁵. Rocky trails and synthetic tracks aren't the footpath your feet had adapted to.

Some things leave bone less able to keep up: low bone mineral density, vitamin D deficiency, and the female athlete triad of disordered eating, missed periods and osteoporosis ³, as well as training more while eating less, and being post-menopausal ⁴. Female athletes are more prone than male athletes, and stress fractures are more common in winter, when vitamin D levels are lower ⁵.

Not all foot bones are equal, and that changes everything. Most foot stress fractures are in the metatarsals ⁴, usually the second and third, which are thinner and longer and take the most load at push-off ⁵. The heel bone (calcaneus), cuboid and cuneiforms are low-risk and generally heal with activity modification or a short spell off the foot. The navicular, talus and the sesamoids under the big toe are high-risk, with higher rates of failing to heal, longer recovery and more frequent surgery ³. The base of the fifth metatarsal is harder to treat because its blood supply is poor ⁵.

So there's no single answer to "how long does it take?" Which bone matters more than how sore it feels.

Close view of a long foot bone showing a fine hairline crack across it

Stress fracture, or plantar fasciitis? How to tell the difference

A stress fracture of the heel bone can feel a lot like plantar fasciitis or a heel spur, and sometimes it takes an MRI to tell them apart ⁵. Two clues point towards a stress fracture:

Pain that builds with activity and settles with rest, getting worse the longer you go ^3,5.
Tenderness in one spot. Gentle pressure directly over the injured bone reproduces the pain in a localised spot, not across the whole foot ⁵. Visible swelling appears in only a minority of cases ³, so a normal-looking foot proves nothing either way.

How it's diagnosed

The test itself is simple. A clinician presses gently along the bone, and pain in one exact spot is often what gives the diagnosis away ⁵. Expect questions about your work, activities, diet and medications as well, because your risk factors are part of the picture ⁵.

If a scan is needed, an MRI or bone scan can pick up a stress fracture earlier than an X-ray can ⁵. You won't necessarily be scanned again: if a new X-ray or scan wouldn't change how the fracture is managed, it isn't required ⁴. Had a stress fracture before? Your doctor may order blood tests for calcium and vitamin D. One that followed only light activity may prompt a bone density scan ⁵.

How we treat it

1

Getting the diagnosis right. It's usually made clinically, from your history and symptoms ⁴. Plain X-rays come first but rarely show an obvious fracture ³, and a repeat X-ray weeks later may show changes the first one didn't ⁴. MRI aids diagnosis and CT helps monitor healing ³. We don't order imaging; if you need it, we'll refer you to your GP.

2

Getting the load right for your bone. Some people need an orthopaedic boot, a rigid-soled shoe or crutches; others can stay in normal footwear and adjust their activity ⁴. Which bone, and where, decides it.

3

A graded return through exercise prescription and conditioning. If you're symptom-free, a return to lower-impact sport can begin after around six weeks, increasing one variable at a time (time, speed, agility, power, balance or coordination) by roughly 10% per session ⁴. Most people get this wrong by changing three at once.

4

Finding the cause, through sports physiotherapy. A training error, a jump in volume, a surface change, muscle fatigue ^3,5. Leave it unaddressed and the same load is waiting for you when you go back.

5

Rebuilding afterwards. Immobilised muscles weaken, and rehabilitation including strengthening exercises may be needed ². Healing bone, called callus, is weaker than normal bone until it's replaced, so the limb needs care for at least a month after a cast comes off ². Our fracture clinic covers that phase.

6

Manual therapy for stiffness after immobilisation. We won't claim hands-on work has been tested against stress fracture, because the sources behind this page don't test it.

Other treatments we may use

Protective footwear.

Depending on the bone, anything from a stiff-soled shoe or wooden-soled sandal to a removable fracture-brace shoe, and certain fractures need a cast ⁵. Our cast versus cam boot guide explains what each option means day to day.

Ice.

Up to 15 minutes at a time, every few hours, never directly on the skin ⁴.

Stopping smoking or vaping.

Smoking makes healing harder ¹, and stopping matters most in the first two weeks after the injury ⁴.

Shockwave, low-intensity pulsed ultrasound and vitamin D supplements, represented honestly.

These have been used with varying success, but there's little supportive evidence that any of them is superior ³. We'd rather tell you that than sell you a shortcut. Supplements are a conversation for your GP, not a physiotherapist.

Surgery.

For high-risk sites (the navicular in particular, and sometimes the base of the fifth metatarsal), surgical fixation is more commonly recommended ^3,5, and it's what a stress fracture that fails to heal may need ¹. That's an orthopaedic decision, never ours. Our job is to recognise it early and refer you.

Your recovery path: Reset, Rebuild, Return

A stress fracture in the foot is managed along The Well Motion Recovery Path™. You move up a phase when the bone tolerates the load, not when a set number of weeks has passed.

Reset: from diagnosis until the bone settles. Protective footwear or crutches if your bone needs them ⁴, and ice for the ache ⁴. At a high-risk site, an orthopaedic surgeon decides whether it needs surgery ^3,5, and their plan sets your timeline. Expect to feel fine well before the bone is ready. We move you on once everyday walking is pain free.
Rebuild: graded loading through exercise prescription and conditioning, strength work for muscles that weakened while the foot was protected ², and manual therapy for stiffness after immobilisation. Expect slow progress. We move you on when each step up in load passes without pain.
Return: running, sport, or a full working day on your feet. We test hopping and running first. You leave with a training plan that corrects what overloaded the bone ^3,5.

How long it usually takes. Healing takes six weeks to six months, and high-impact activity up to a year ⁴. Across 315 navicular stress fractures, return to play averaged 4.17 months after surgery and 4.67 months without, though the studies varied widely ⁹. For the base of the fifth metatarsal, low-quality studies put bone union at 13.1 weeks with surgery and 20.9 weeks without ¹⁰.

Reducing the risk of it happening again

Prevention has been tested for stress fractures, mostly in military recruits, so read the numbers with that in mind:

Build up slowly. Add time, speed and distance in small steps. In most cases a 10% increase a week is appropriate ⁵.
Calcium and vitamin D. In a trial of 5,201 female navy recruits, those given 2,000 mg of calcium and 800 IU of vitamin D a day had 20% fewer stress fractures over eight weeks of training ⁶. Whether a supplement suits you is a question for your GP.
Shock-absorbing insoles. Mixed. A Cochrane review concluded they probably reduce stress fractures in recruits ⁷. A later pooled analysis of footwear trials found no clear reduction ⁸. The same Cochrane review found leg stretching in the warm-up made no significant difference ⁷.
Stop when the pain or swelling comes back. Rest for a few days, and see your doctor if it continues ⁵.

When to get it checked properly

Pain and swelling that aren't improving two to three days after the injury ¹.
It still hurts to walk six weeks later ¹. That's also when Australia's national health service says you may benefit from physiotherapy ¹, and six weeks of "it should settle" is how these get missed.
Pain along the outside of the midfoot with no obvious injury, or midfoot pain that's hard to pinpoint. Those are the patterns for the base of the fifth metatarsal, which heals less predictably, and the navicular, which often needs a CT or MRI to find ⁵.
You have diabetes and have injured your foot ¹.
You're tempted to go back early. Returning too soon can turn a stress fracture into a complete fracture that needs surgery ⁵.

None of this means your foot is in trouble. In most cases a fracture heals with rest and a change in your activities ¹. Getting it looked at early is about finding out which bone you're dealing with, because that decides everything that follows.

Your first appointment

We start by listening: how it began, what makes it worse, and what it's stopping you from doing. Then we examine the area, explain what we find in plain English, and agree a plan with you. Your first visit is 40 minutes at Engadine and 30 minutes at our other clinics.

We see patients at Engadine, Mount Annan, Narellan and Appin, and at home through our mobile physiotherapy service. If you have private health cover, here's how health fund rebates work for physiotherapy.

FAQs

Can you walk on a stress fracture?

Often, yes, which is why they get ignored. How much is safe depends on the bone: some people need a boot, a rigid-soled shoe or crutches, while others can stay in their usual footwear and adjust their activity ⁴. Going back to weight-bearing activity too early can turn it into a complete fracture ⁵, so it's worth getting assessed rather than guessed.

Can a stress fracture heal without a boot?

Sometimes. It depends far more on which bone than on how bad the pain is. Low-risk sites like the calcaneus and cuneiforms often settle with activity modification alone; high-risk sites like the navicular usually need more ³. Protective footwear runs from a stiff-soled shoe to a removable fracture-brace shoe, and certain fractures need a cast ⁵.

Is foot pain worse at night with stress fractures?

The well-described pattern is activity-related: the pain builds with weight-bearing and eases with rest ^3,5, and it can linger for up to six months into recovery ⁴. The sources behind this page don't describe a night-pain pattern for stress fracture, so we won't invent one. Pain that's changing, or that doesn't follow that activity pattern, is a good reason to get assessed.

What is the fastest way to heal a stress fracture?

There isn't a shortcut. Shockwave, low-intensity pulsed ultrasound and vitamin D supplements have been used with varying success, with little supportive evidence that any is superior ³. What does help: managing load, returning in graded steps ⁴ and not smoking ^1,4. Going back too soon can mean a complete fracture and a much longer recovery ⁵.

What are the symptoms of a stress fracture on the side of the foot?

A bunion (hallux valgus) is a bony lump at the big toe joint that forms when the big toe leans towards the other toes. Around 23% of adults have one.

Related conditions

Calf

Shin Splints

Shin splints, properly called medial tibial stress syndrome (MTSS), is pain along the inner edge of your shin bone, caused by repeated overload rather than a single injury