How to Identify the Source of Your Inner Ankle Pain

Ankle pain can be debilitating, especially when it affects your ability to walk, run, or even stand for long periods. One common type of discomfort people experience is inner ankle pain, which can stem from various causes. Understanding the source of this pain is essential for finding the right treatment and preventing further complications. Whether it’s due to injury, overuse, or an underlying condition, identifying the cause is the first step to relief. Here’s a closer look at some common culprits of inner ankle pain, how to recognize them, and what you can do about it.

1. Posterior Tibial Tendon Dysfunction (PTTD)

One of the leading causes of inner ankle pain is Posterior Tibial Tendon Dysfunction (PTTD), also known as adult-acquired flatfoot. This condition occurs when the posterior tibial tendon, which supports the arch of the foot, becomes inflamed or torn. As a result, the foot’s arch may collapse, causing pain and instability.

Symptoms: People with PTTD often experience pain on the inside of the ankle, especially when walking or standing. The arch of the foot may appear flattened, and there may be noticeable swelling along the inner ankle.

Diagnosis: A physical exam can reveal whether the posterior tibial tendon is weakened or damaged. Additional imaging, such as an MRI or ultrasound, might be required to assess the severity.

Treatment: Early stages of PTTD can be managed with rest, ice, anti-inflammatory medications, and orthotic devices that support the arch. In more advanced cases, physical therapy, braces, or even surgery may be necessary to repair the damaged tendon.

2. Tarsal Tunnel Syndrome

Tarsal tunnel syndrome occurs when the posterior tibial nerve is compressed or irritated as it travels through the tarsal tunnel, a narrow space inside the ankle. This compression can cause sharp, shooting pain along the inside of the ankle and foot.

Symptoms: Individuals with tarsal tunnel syndrome may feel burning, tingling, or shooting pain radiating from the inner ankle into the sole. Symptoms may worsen with prolonged activity or at night.

Diagnosis: Tarsal tunnel syndrome is often diagnosed through a physical exam that includes checking for pain or tenderness along the nerve. Nerve conduction studies or electromyography (EMG) tests can confirm the diagnosis.

Treatment: Mild cases can often be treated with anti-inflammatory medications, physical therapy, and orthotic devices. Severe cases might require corticosteroid injections or surgical intervention to relieve the pressure on the nerve.

3. Medial Malleolus Stress Fracture

A stress fracture in the medial malleolus, the bony prominence on the inner side of the ankle, can result from repetitive stress, especially in athletes. This type of fracture can cause significant pain on the inside of the ankle, particularly during weight-bearing activities.

Symptoms: The pain is usually localized around the bony area of the inner ankle and may worsen with activity, especially running or jumping. Swelling and tenderness may also develop.

Diagnosis: Stress fractures are often diagnosed through imaging tests, such as X-rays or MRI scans, to assess the extent of the damage.

Treatment: Treatment typically involves rest and immobilization of the foot using a brace or cast. In some cases, surgery may be necessary if the fracture doesn’t heal on its own.

4. Ankle Sprains and Ligament Injuries

Ankle sprains, particularly those involving the deltoid ligament on the inside of the ankle, can cause inner ankle pain. These injuries usually occur when the foot rolls inward, overstretching or tearing the ligaments.

Symptoms: Pain, swelling, and bruising on the inside of the ankle are common after a sprain. The pain may be more pronounced when bearing weight on the affected foot or moving the ankle.

Diagnosis: A physical exam can usually diagnose a sprained ankle, though X-rays may be required to rule out fractures. Severe ligament tears may require an MRI for further evaluation.

Treatment: Mild to moderate ankle sprains can often be treated with rest, ice, compression, and elevation (RICE). Physical therapy may be needed to restore strength and flexibility. Severe ligament injuries may require surgical repair.

5. Arthritis

Ankle arthritis, particularly osteoarthritis or rheumatoid arthritis, can lead to pain and stiffness in the inner ankle. Arthritis occurs when the cartilage that cushions the ankle joint wears down over time or is attacked by the body’s immune system in the case of rheumatoid arthritis.

Symptoms: Stiffness, swelling, and aching pain in the inner ankle are common signs of arthritis. The pain often worsens in the morning or after periods of inactivity.

Diagnosis: X-rays and blood tests (for rheumatoid arthritis) are commonly used to diagnose arthritis. An MRI may be necessary to assess the extent of cartilage damage.

Treatment: Treatment options for arthritis include anti-inflammatory medications, physical therapy, and supportive footwear. In severe cases, joint injections or surgery, such as ankle fusion or replacement, may be necessary.

6. Flat Feet (Pes Planus)

Flat feet, or pes planus, can also contribute to inner ankle pain. When the arch of the foot collapses, additional stress is placed on the ankle, leading to discomfort and fatigue.

Symptoms: Flat feet may cause pain and swelling along the inner ankle and foot, particularly after long periods of standing or walking. The arch of the foot may appear flattened.

Diagnosis: A physical examination is usually sufficient to diagnose flat feet, though imaging tests can be used to determine if there are any related issues, such as tendon damage.

Treatment: Treatment typically involves arch supports, orthotic devices, and physical therapy to strengthen the muscles around the ankle. In severe cases, surgery may be needed to reconstruct the arch.

Inner ankle pain can be caused by a range of conditions, from tendon injuries to nerve compression or arthritis. Identifying the root cause is essential for effective treatment. If you’re dealing with persistent inner ankle pain, it’s important to consult with a specialist for a thorough evaluation and tailored treatment plan. At District Foot & Ankle, our team of professionals is dedicated to helping you find relief and get back to your daily activities. Don’t let ankle pain hold you back — schedule an appointment with us today!