Achilles Tendonitis

Achilles tendonitis is an overuse injury of the Achilles tendon, the band of tissue that connects calf muscles at the back of the lower leg to your heel bone. It is common in runners and middle-aged recreational athletes.

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Typical Recovery Time

Several weeks to months depending on severity

Symptoms

•Pain and stiffness along the Achilles tendon in the morning
•Pain that worsens with activity
•Severe pain the day after exercising
•Thickening of the tendon
•Swelling near the heel

Common Causes

•Sudden increase in training intensity
•Tight calf muscles
•Running in worn-out shoes
•Running on hilly terrain
•Age-related tendon degeneration

Treatment Options

1Rest and activity modification

2Eccentric calf strengthening exercises

3Ice therapy after activity

4Heel lifts or orthotics

5Physical therapy

6Shockwave therapy for chronic cases

When to See a Doctor

See a doctor if you feel a sudden pop in the back of your ankle, as this may indicate a tendon rupture.

Frequently Asked Questions

What is Achilles tendonitis?

Achilles tendonitis is irritation or inflammation of the tendon that connects the calf muscles to the heel. It often causes pain in the back of the ankle or heel. It is common in runners and athletes who do repetitive jumping or sprinting.

What causes Achilles tendonitis?

It is usually caused by overuse, tight calf muscles, sudden increases in training, or poor footwear. Hill running and speed work can also increase stress on the tendon. Symptoms may build gradually over time.

What are the symptoms?

Symptoms include pain, stiffness, and tenderness along the Achilles tendon. Pain is often worse in the morning or at the start of activity. Some people notice swelling or thickening of the tendon.

How is Achilles tendonitis treated?

Treatment usually includes activity modification, calf stretching, strengthening, heel lifts, and physical therapy. Anti-inflammatory medications may help short-term pain, but tendon rehab is the main treatment. Severe or persistent cases may need imaging or additional procedures.

When can I return to running or sports?

Return depends on pain level, strength, and tendon tolerance. Many athletes improve over several weeks to months with consistent rehab. Running should be restarted gradually to avoid recurrence.