KEY TAKEAWAYS:
Heel pain isn't always plantar fasciitis. Several other conditions can cause similar symptoms and require different approaches to treatment. Persistent or worsening heel pain deserves early evaluation to help identify the cause and guide appropriate care. Instead of plantar fasciitis, you may be dealing with Achilles tendinitis, tarsal tunnel syndrome, or a stress fracture. Our podiatrist can evaluate symptoms, examine your foot and ankle, and help accurately diagnose what’s causing your heel pain.
When you have heel pain, every step you take and every activity you engage in can become a challenge. Your heel may ache after a long day at work, when you exercise, when you go grocery shopping, or just when walking around the house. While plantar fasciitis is a common source of heel discomfort, it isn't the only possible condition. Here, our podiatrist at Grandville Foot and Ankle, Dr. Sarah Stewart, discusses heel pain and the possible foot conditions when it isn’t plantar fasciitis.
Table of Contents
It Could Be a Heel Spur
A heel spur is a bony growth that develops on the underside or back of the heel bone. These growths typically develop over time due to repeated stress on the structures that attach to the heel. Although heel spurs are frequently associated with plantar fasciitis, they aren't necessarily the source of discomfort. Many people have heel spurs without experiencing any pain. In other cases, surrounding soft tissue irritation may contribute to symptoms.
An X-ray can help identify a heel spur, but its presence doesn't automatically explain your discomfort. A podiatrist must evaluate the surrounding structures to determine the nature of the growth.
It Could Be Achilles Tendinitis
Not all heel pain develops underneath the foot. If your discomfort is concentrated at the back of your heel, Achilles tendinitis may be responsible.
The Achilles tendon connects your calf muscles to your heel bone. It plays an essential role in walking, running, jumping, and pushing off the ground. Repetitive strain can irritate or damage the tendon, resulting in pain and stiffness. Common symptoms include the following:
- Pain behind the heel. Discomfort often increases during physical activity or when climbing stairs.
- Morning stiffness. The Achilles tendon may feel tight when you first get out of bed.
- Tenderness and swelling. The affected tendon may become noticeably sensitive or thickened.
- Activity-related discomfort. Running, jumping, and prolonged walking may aggravate symptoms.
The symptoms of Achilles tendinitis can mimic plantar fasciitis. That’s why it’s important to get a proper diagnosis to ensure the proper treatment.
It Could Be Tarsal Tunnel Syndrome
Tarsal tunnel syndrome is another possible explanation for persistent heel pain. This condition develops when the posterior tibial nerve becomes compressed as it passes through a narrow space along the inside of the ankle.
Because this nerve supplies sensation to portions of the foot, compression can produce symptoms that extend into the heel and arch.
Patients may experience burning, tingling, numbness, or shooting pain. Symptoms sometimes become more noticeable after prolonged standing or walking.
Tarsal tunnel syndrome can resemble plantar fasciitis, particularly when discomfort affects the bottom of the heel. However, the presence of nerve-related symptoms can help distinguish the two conditions.
It Could Be Nerve Pain
Other nerve entrapments and peripheral neuropathy can also cause discomfort throughout the foot. Unlike the localized tenderness associated with many mechanical foot conditions, nerve pain frequently produces unusual sensations, including the following:
- Burning or electric-like pain
- Tingling or pins-and-needles sensations
- Numbness around the heel or arch
- Pain that radiates into other areas of the foot
Nerve irritation may develop from repetitive pressure, underlying medical conditions, or problems affecting nerves elsewhere in the body. Identifying the specific source is essential because treatment depends on the underlying cause.
It Could Be a Stress Injury
A calcaneal stress fracture is a small crack in the heel bone caused by repetitive loading. Unlike an acute fracture resulting from a sudden accident, stress injuries often develop gradually.
Runners, athletes, and people who suddenly increase their activity levels may be particularly susceptible. Switching to harder exercise surfaces or significantly increasing walking distances can also contribute.
Stress fractures commonly cause progressively worsening pain during weight-bearing activities. The heel may also feel tender when pressure is applied. Continuing high-impact activities despite these symptoms can worsen the injury. A podiatrist may recommend X-rays or additional imaging, such as an MRI, to evaluate the heel bone and confirm the diagnosis.