Learn about Achilles tendinitis, a common condition that causes inflammation and pain in the tissue that connects your calf muscle to your heel. Find out how to prevent, diagnose and treat this injury with rest, physical therapy and surgery. Achilles tendinitis is a common condition that affects the Achilles tendon, causing pain and swelling in the back of the heel. Understanding the symptoms, risk factors, and treatment options is essential for effective management. Learn about Achilles tendinitis, a common overuse injury that affects the large band of tissue connecting the calf muscles to the heel bone. Find out how to prevent, diagnose, and treat this condition with rest, physical therapy, and pain management. Discover the causes, symptoms, and effective treatments for Achilles tendinitis. Learn how to manage this common tendon issue and maintain your active lifestyle with expert advice from Yale Medicine Orthopaedics & Rehabilitation.