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Get evaluated when tendon pain, swelling, stiffness, or walking discomfort starts affecting daily activity.

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Successful Treatment Cases

Trusted podiatry care for Achilles tendonitis, peroneal tendonitis, tendon strain, tendinosis, and overuse injuries.

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Insurance Plans Accepted

Our team can help you confirm coverage and next steps before your visit.

Dr. Nooreen Ibrahim consulting with a patient about foot and ankle tendonitis symptoms

About Tendonitis

When an Irritated Tendon Starts Limiting Movement.

Tendons connect muscles to bones and help control movement, stability, push-off, balance, and foot position. Tendonitis means a tendon is irritated or inflamed, often after overload, repetitive strain, improper footwear, sudden activity changes, or injury.

In the foot and ankle, tendonitis may affect the Achilles tendon, peroneal tendons, posterior tibial tendon, extensor tendons, or other tendon structures. Symptoms can start as mild soreness and become more limiting if the tendon keeps being overloaded.

Tendon Irritation

Pain, swelling, warmth, or tenderness may develop around the affected tendon.

Movement Limits

Walking, stairs, running, standing, or rising onto the toes may become painful.

Overuse or Injury

Symptoms may follow repetitive strain, sports activity, poor support, or sudden trauma.

Recovery Planning

Treatment depends on the tendon involved, severity, mechanics, and activity goals.

More about tendonitis and tendinosis

Tendonitis usually describes inflammation or irritation of a tendon. Tendinosis is a more chronic tendon condition involving degenerative tendon changes after repeated stress or prolonged overload.

Both can cause pain and reduced function. A podiatric evaluation helps determine whether symptoms are mild, chronic, partially torn, or related to another condition such as arthritis, fracture, nerve pain, or foot deformity.

Anatomy Guide

How Tendon Inflammation Affects the Foot and Ankle

Tendons around the ankle and foot guide motion and absorb repeated load during walking, running, balance, and push-off. When a tendon is repeatedly stressed, microscopic irritation and inflammation may develop.

The exact pain location helps identify which tendon is involved. Achilles tendon pain often occurs behind the heel or lower calf, while peroneal tendonitis often affects the outside of the ankle.

Tendon inflammation Overuse strain Pain with motion Swelling near tendon Reduced strength
Foot and ankle tendonitis diagram showing inflammation of a tendon

Common Symptoms

Signs of Foot and Ankle Tendonitis

Tendonitis symptoms may be mild at first and gradually worsen with repeated activity. Some patients notice pain after exercise, while others feel stiffness immediately after rest.

01

Pain Along a Tendon

Pain may occur behind the heel, outside the ankle, inside the ankle, top of the foot, or arch area.

02

Swelling or Warmth

The tendon area may look swollen, feel tender, or become warm after activity.

03

Stiffness After Rest

Symptoms may feel worse in the morning, after sitting, or after long periods without movement.

04

Weakness or Limited Motion

Patients may have difficulty climbing stairs, pushing off, lifting the toes, or rising onto the ball of the foot.

Types of Tendonitis

Common Tendons That Become Painful

Different tendons support different movements. Identifying the affected tendon helps determine which activities to reduce, which shoes or supports may help, and whether therapy, immobilization, imaging, or surgical review is needed.

Achilles and peroneal tendonitis are common, but tendon irritation can also affect the posterior tibial tendon, extensor tendons, flexor tendons, and other stabilizing structures.

Achilles tendonitis Peroneal tendonitis Posterior tibial tendonitis Extensor tendonitis Tendinosis
Achilles tendonitis

Achilles tendonitis often causes pain behind the heel or lower calf, especially with running, stairs, jumping, or rising onto the toes.

Peroneal tendonitis

Peroneal tendonitis usually causes pain and swelling along the outside of the ankle and may worsen on uneven ground or during sports.

Posterior tibial tendonitis

Posterior tibial tendon irritation can cause pain along the inside of the ankle and arch and may be associated with flatfoot changes.

Extensor tendonitis

Extensor tendonitis may cause pain across the top of the foot, often aggravated by tight shoes, laces, or repetitive uphill activity.

Tendinosis

Tendinosis refers to chronic tendon degeneration, often after repeated overload or long-standing irritation, and may require a longer recovery plan.

Causes and Risk Factors

Why Tendonitis Develops in the Foot or Ankle

Tendonitis often starts when a tendon is asked to do more than it can tolerate. This can happen from repetitive activity, sudden training changes, improper shoes, abnormal foot mechanics, prior injury, tight calf muscles, or medical conditions that affect tendon health.

The same tendon may become irritated for different reasons in different patients. A runner, a warehouse worker, a patient with flat feet, and a patient recovering from an ankle sprain may all need different treatment strategies.

Risk Factor How It Can Affect the Tendon

Overuse or repetitive activity

Repeated load can irritate tendon fibers and create pain, swelling, or stiffness

Sudden activity increase

Running, jumping, new workouts, or longer work shifts can overload the tendon

Foot structure or poor support

Flat feet, high arches, poor shoes, or gait changes may increase tendon stress

Medical or age-related factors

Diabetes, arthritis, gout, inflammatory disease, or reduced tendon elasticity may increase risk

Diagnosis and Evaluation

How a Podiatrist Evaluates Tendonitis

Diagnosis starts with locating the painful tendon, understanding which movements trigger symptoms, and checking whether the tendon is inflamed, strained, weakened, or possibly torn.

Symptom History

Your provider reviews pain location, activity changes, injury history, shoe wear, stiffness, and swelling.

Tendon Exam

The tendon is checked for tenderness, thickening, warmth, swelling, motion pain, and strength loss.

Gait and Mechanics Review

Arch position, ankle alignment, calf tightness, footwear, and walking pattern may be evaluated.

Imaging if Needed

X-rays, ultrasound, or MRI may be considered to evaluate tendon damage or rule out other causes.

Treatment Planning

Your plan may include rest, support, bracing, therapy, orthotics, injections, or surgical review.

Diagnostic note: Tendonitis symptoms can overlap with fractures, arthritis, nerve irritation, ligament injury, bursitis, plantar fasciitis, and tendon tears. Imaging is selected based on exam findings.

Diagnostic Clarity

Tendonitis vs. Tendon Tear

Tendonitis is usually irritation or inflammation of the tendon. A tendon tear means tendon fibers are partially or completely disrupted. The symptoms may overlap, but the treatment urgency can be different.

Sudden popping, severe pain, major weakness, rapid swelling, bruising, or inability to push off should be evaluated promptly because these signs may suggest a more serious tendon injury.

Tendonitis Pattern Possible Tear Pattern

Gradual soreness, stiffness, or swelling near a tendon

Sudden sharp pain, pop, snap, or immediate loss of function

Pain often worsens with repeated activity and improves with rest

Weakness may be significant and walking may become difficult or unsafe

Tendon may feel tender or mildly thickened

There may be bruising, a gap, deformity, or major swelling

Treatment often begins with conservative care

Imaging and urgent specialist evaluation may be needed

Treatment Approach

Conservative Care Often Starts With Reducing Tendon Load

Tendonitis treatment usually begins by reducing the activity or pressure that keeps irritating the tendon. The goal is to calm symptoms, protect the tendon, restore motion, and gradually rebuild strength.

Depending on the tendon and severity, care may include activity modification, supportive shoes, orthotics, bracing, immobilization in a boot, medication guidance, physical therapy, stretching, strengthening, or injections in selected cases.

Activity modification Supportive shoes Orthotic support Physical therapy Immobilization if needed
Rest and load reduction

Reducing painful activity gives the tendon a chance to recover instead of repeatedly aggravating the same tissue.

Orthotics and bracing

Orthotics, heel lifts, braces, or a walking boot may be used when mechanics or tendon strain need extra support.

Physical therapy

Therapy may focus on mobility, strength, flexibility, balance, gait, gradual loading, and return-to-activity planning.

Medication or injections

Anti-inflammatory medication, topical options, or injections may be discussed depending on the tendon, diagnosis, and medical history.

Why Early Care Matters

What Can Happen If Tendonitis Is Ignored

If the tendon keeps being overloaded, tendonitis may become more persistent. Pain can begin to appear sooner during activity, last longer afterward, or become present during everyday walking.

Chronic tendon irritation may lead to tendinosis, reduced tendon strength, gait changes, compensation pain, and in more serious cases, increased risk of partial or complete tendon tearing.

Chronic tendon pain Tendinosis risk Weakness Walking compensation Tear concern
Can tendonitis become chronic?

Yes. Repeated overload can make tendon symptoms last longer and become harder to calm down.

Can tendonitis lead to a rupture?

Severe injury, major overstretching, or long-standing tendon damage may increase rupture risk, especially when pain is ignored.

Can tendonitis change how I walk?

Yes. Pain can make you shift weight away from the affected tendon, which may overload other parts of the foot, ankle, knee, or hip.

Can tendon pain come from something else?

Yes. Similar symptoms can come from arthritis, fracture, ligament injury, nerve pain, bursitis, or tendon tearing.

At-Home Guidance

What You Can Do Before Your Visit

Reduce the activity that clearly triggers pain. Avoid pushing through tendon pain during running, jumping, stairs, long standing, or heavy work until the tendon has been evaluated.

Supportive shoes, temporary activity modification, and avoiding sudden training increases may help reduce irritation. If pain is severe, swelling is increasing, or weakness appears, schedule an evaluation.

Reduce painful activity Wear supportive shoes Avoid sudden overload Monitor swelling Schedule evaluation
Stop the activity that triggers pain

Continuing the same painful activity may keep the tendon irritated and delay recovery.

Use supportive footwear

Shoes with better support, cushioning, or heel control may reduce tendon strain depending on the location.

Do not force aggressive stretching

Stretching can help some tendon problems, but aggressive stretching on an acutely painful tendon may worsen symptoms.

Watch for red flags

Sudden popping, bruising, inability to push off, major weakness, or severe swelling should be evaluated promptly.

When to See a Podiatrist

Do Not Wait If Tendon Pain Keeps Returning

A podiatrist can identify which tendon is involved, why it is being overloaded, and whether the issue is mild inflammation, chronic tendinosis, partial tearing, or another condition.

Prompt evaluation is especially important when pain follows an injury, symptoms are worsening, swelling is significant, or walking and daily activity are limited.

Schedule Soon Seek Prompt Care

Tendon pain lasting more than a few days

Sudden pop, snap, severe pain, or immediate weakness

Swelling, warmth, or tenderness along a tendon

Bruising, deformity, inability to push off, or inability to bear weight

Pain with running, stairs, standing, or shoe pressure

Rapidly worsening swelling, redness, fever, wound, or infection concern

Recurring symptoms after activity or work shifts

Diabetes, neuropathy, poor circulation, or major injury history

Tendonitis FAQ

Questions Patients Often Ask

These answers are educational and cannot replace a personal examination. Treatment depends on the tendon involved, symptom duration, tendon quality, foot mechanics, imaging findings, and activity needs.

What is tendonitis?

Tendonitis is irritation or inflammation of a tendon, the tissue that connects muscle to bone and helps control movement.

What does foot tendonitis feel like?

It may cause pain, swelling, warmth, tenderness, stiffness, weakness, or pain with walking, stairs, running, or standing.

What causes foot and ankle tendonitis?

Common causes include overuse, sudden activity increases, poor footwear, abnormal foot mechanics, tight muscles, injuries, arthritis, diabetes, gout, and repetitive strain.

How is tendonitis diagnosed?

Diagnosis may include a physical exam, tendon strength and motion testing, gait review, footwear review, X-rays, ultrasound, or MRI when needed.

Can tendonitis be treated without surgery?

Many cases improve with rest, activity modification, supportive shoes, orthotics, bracing, physical therapy, medication guidance, or immobilization.

When is surgery considered?

Surgery may be discussed when symptoms remain severe despite conservative care, when tendon damage is significant, or when a tear or structural problem requires repair.

Is tendonitis treatment covered by insurance?

Coverage depends on your insurance plan, diagnosis, imaging, medical necessity, bracing, therapy, injections, orthotics, procedure type, deductible, and benefits. Our office can help verify coverage before treatment.

Meet Our Specialist

Expert Care You Can Trust

Our foot and ankle specialists are here to evaluate tendon pain, identify the cause of overload, and help you choose a treatment plan that supports healing and mobility.

Dr. Alex Yanovskiy, DPM at Illinois Foot & Ankle Clinic Dr. Nooreen Ibrahim, DPM at Illinois Foot & Ankle Clinic
Need Help Understanding Your Symptoms?

Get a Clear Foot and Ankle Evaluation

If your symptoms are painful, recurring, changing, or affecting how you walk, our Des Plaines podiatry team can help identify the cause and explain realistic care options.

Insurance Plans Accepted

We accept most PPO plans. Check accepted insurance details, patient forms, and first-visit information before your appointment.

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Address
1400 East Golf Rd, Unit 201, Des Plaines, IL 60016
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Dr. Alexander Yanovskiy, DPM
Podiatrist
1400 E Golf Rd, Des Plaines, IL, 60016
Request an Appointment
Doctor Photo
Dr. Nooreen Ibrahim, DPM
Podiatrist
1400 E Golf Rd, Des Plaines, IL, 60016
Request an Appointment
Request an Appointment
Doctor Photo
Dr. Alexander Yanovskiy, DPM
Podiatrist
1400 E Golf Rd, Des Plaines, IL, 60016
Doctor Photo
Dr. Nooreen Ibrahim, DPM
Podiatrist
1400 E Golf Rd, Des Plaines, IL, 60016