Foot pain affects between 13% and 36% of adults, depending on the population studied, and it stems from dozens of possible causes ranging from overuse injuries to nerve problems to chronic disease. Where the pain shows up on your foot is often the strongest clue to what’s behind it. Here’s a breakdown of the most common causes, organized so you can match your symptoms to likely explanations.
What Pain Location Tells You
The foot is a complex structure with 26 bones, over 30 joints, and more than 100 muscles, tendons, and ligaments. Pain in different zones typically points to different problems:
- Heel (bottom): Plantar fasciitis, heel spurs, fat pad thinning
- Heel (back): Achilles tendonitis
- Arch: Flatfoot, posterior tibial tendon problems
- Ball of the foot: Morton’s neuroma, sesamoiditis, metatarsalgia, bunions
- Big toe: Gout, bunions, hallux rigidus (toe arthritis), turf toe
- Smaller toes: Hammertoe, corns, calluses
This isn’t foolproof since some conditions cause pain that radiates across zones, but it’s a useful starting point.
Plantar Fasciitis: The Most Common Culprit
Plantar fasciitis is the single most common reason for pain on the bottom of the foot. It affects 4% to 10% of the population and is especially prevalent in people over 50 and those who are overweight. The plantar fascia is a thick band of tissue running from your heel to your toes, and when it becomes irritated or degenerates, it produces a sharp or aching pain right at the heel.
The hallmark symptom is pain with your first steps in the morning that gradually eases as you move around, then returns after long periods of standing or when you get up after sitting. People who run, walk on hard surfaces for work, or spend long hours on their feet are at highest risk. A tight calf muscle is a frequent contributor because it increases tension on the heel.
Most cases resolve without surgery. Current clinical guidelines suggest that about 12 to 13 physical therapy visits over roughly 60 days represents a standard course of care. Treatment typically involves stretching, strengthening exercises, and sometimes custom insoles. If six months of conservative treatment doesn’t help, imaging and surgical options come into play. Plantar fascia release surgery is about 90% effective, and when a tight calf is also addressed, that procedure succeeds about 85% of the time.
Bunions and Toe Deformities
A bunion forms when the big toe gradually angles toward the second toe while the bone behind it shifts in the opposite direction, creating a bony bump on the inside of the foot. As the condition progresses, the big toe can push against its neighbor hard enough to cause hammertoe in the second toe, calluses, and real difficulty finding shoes that don’t hurt.
Hallux rigidus is a related but different problem: arthritis at the base of the big toe. It affects about 8% of people over 50 and is more common in women. The main symptoms are localized pain and stiffness that make it hard to push off when walking. Unlike a bunion, the issue here is cartilage breakdown and bone spur formation at the joint itself.
Hammertoes involve the smaller toes bending downward at the middle joint, often caused by pressure from a bunion, poorly fitting shoes, or muscle imbalances. They start flexible but can become rigid over time, making them harder to treat without surgery.
Nerve Pain in the Foot
Morton’s neuroma is a thickening of tissue around the nerves leading to your toes, most commonly between the third and fourth toes. It develops when the metatarsal bones or surrounding ligaments compress the nerve. The sensation is distinctive: stabbing or burning pain in the ball of the foot, sometimes described as walking on a marble. You may also feel tingling or numbness spreading into two adjacent toes. The pain typically worsens with activity and tight shoes, and improves when you rest or go barefoot.
Tarsal tunnel syndrome is essentially the foot’s version of carpal tunnel. The posterior tibial nerve gets compressed as it passes through a narrow space near the inner ankle bone. This produces pain, numbness, or tingling along the inner ankle, heel, and sole. Diabetes, prior ankle injuries, and structural foot deformities all raise the risk.
Stress Fractures and Overuse Injuries
Stress fractures are tiny cracks in bone caused by repetitive force rather than a single injury. In the foot, they most often occur in the metatarsals (the long bones behind the toes). The pain is usually pinpoint, gets worse with activity, and improves with rest. People with osteoporosis, low vitamin D, poor nutrition, or high training loads are most vulnerable. Treatment typically means a period of no weight-bearing and wearing a cast or boot.
Achilles tendonitis causes pain at the back of the heel rather than the bottom. Tightness in the calf is the most common driver, though sudden increases in activity can also trigger it. Like plantar fasciitis, the first-line approach is conservative: stretching, activity modification, and physical therapy over several months. If six months of treatment fails, surgery to release the calf or reattach the tendon has a success rate around 95%, though recovery involves about six weeks in a cast followed by a boot.
Systemic Diseases That Show Up in Your Feet
Foot pain isn’t always a foot problem. Several whole-body conditions announce themselves through the feet, especially as burning, tingling, or numbness that starts at the toes and creeps upward.
Diabetic neuropathy is one of the most common. High blood sugar damages small nerve fibers over time, producing burning or prickling pain in the feet that’s often worse at night. The pain may be constant but can flare from something as light as bedsheets brushing the skin.
Gout is another frequent offender. It causes sudden, intense pain and swelling at the base of the big toe, often striking in the middle of the night. It results from uric acid crystals depositing in the joint.
Rheumatoid arthritis can attack the small joints of the feet, causing pain, swelling, and stiffness that’s typically worst in the morning. Because RA is the most common autoimmune joint condition, it accounts for a significant share of foot-related nerve pain as well. Other autoimmune diseases, including Sjögren syndrome (which involves nerve damage in up to 60% of patients) and lupus, can also cause neuropathy that manifests as foot pain.
Footwear and Occupational Risks
What you put on your feet matters enormously. A study of 321 Australian workers found that occupational footwear caused new foot problems or worsened existing ones in 91% of participants. Nearly half reported foot pain, and a third developed calluses. The biggest complaints were excessive heat inside the shoe, inflexible soles, heavy boots, and pressure from steel toe caps.
Workers in construction, hospitality, healthcare, firefighting, and manufacturing face compounded risks. More than half of workers in industries requiring closed reinforced footwear develop calluses, dry skin, and pain in the sole, heel, and outer ankle. Occupational footwear has also been linked to plantar fasciitis, metatarsalgia, heel bursitis, bone spurs, hammertoes, and Achilles tendonitis.
Outside of work, shoes that are too narrow, too flat, or too high all contribute. Narrow toe boxes encourage bunions. Flat shoes with no arch support stress the plantar fascia. High heels shift weight onto the ball of the foot, increasing pressure on the metatarsals and nerves.
Foot Pain in Children
Kids get foot pain too, and the most common cause in active children is Sever’s disease, an inflammation of the growth plate in the heel bone. It’s especially common between ages 8 and 14, when growth spurts are happening. The growth plate is made of cartilage that hasn’t yet hardened into bone, making it more vulnerable to stress. A tight Achilles tendon pulls on this area with every step, and repetitive activity wears it down further.
Children with flat feet or excess weight are at higher risk. The condition is painful but not dangerous. It resolves on its own once the growth plate finishes hardening, though rest, stretching, and cushioned heel inserts can ease discomfort in the meantime.