Tendonitis is inflammation of a tendon, which is the thick cord of tissue that connects muscle to bone. When a tendon becomes inflamed, it causes pain, swelling, and reduced movement in the affected area. The condition can develop in any tendon in the body, but it most commonly affects the shoulders, elbows, wrists, knees, and heels.
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Tendonitis develops when tendons experience repetitive stress, overuse, or sudden injury. For example, tennis players often develop tendonitis in their elbows because of repeated throwing and hitting motions. Similarly, people who perform repetitive typing, assembly line work, or construction tasks may develop tendonitis in their wrists or shoulders. Age plays a role as well—tendons become less flexible and more prone to injury as people get older, typically after age 40.
The condition differs from tendinopathy, a broader term that includes various tendon problems, though the terms are sometimes used interchangeably. Tendonitis specifically refers to inflammatory conditions, while tendinopathy may include degenerative changes without significant inflammation.
Common symptoms include localized pain that worsens with activity, swelling around the affected tendon, warmth or redness at the site, stiffness (especially in the morning), and a creaking or popping sensation when moving the joint. Symptoms typically develop gradually as the tendon becomes irritated over time, though they can occasionally appear suddenly after an acute injury.
Practical Takeaway: Recognizing early symptoms of tendonitis allows people to begin conservative treatment before the condition becomes severe. Paying attention to pain that increases with specific activities and seeking information about treatment options early can prevent the need for more aggressive interventions.
The RICE protocol has been a foundation of tendonitis treatment for decades. RICE stands for Rest, Ice, Compression, and Elevation—four components that work together to reduce inflammation and pain in the affected tendon.
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Rest means reducing or stopping activities that aggravate the tendon. Complete immobilization is generally not recommended for long periods, as some movement helps maintain function and can actually promote healing. Instead, modified rest involves continuing activities that don't cause pain while avoiding movements that do. For example, someone with Achilles tendonitis might avoid running but could continue walking or swimming. Rest periods typically last from a few days to several weeks, depending on the severity.
Ice application reduces inflammation and numbs pain. Applying ice for 15 to 20 minutes at a time, several times daily, is a standard recommendation. Ice should be wrapped in a cloth rather than applied directly to skin to prevent ice burn. Some people use frozen water bottles or gel packs designed for this purpose. Ice is most effective during the first 48 to 72 hours after injury or when inflammation is highest.
Compression with an elastic bandage or wrap reduces swelling by limiting fluid buildup around the injured tendon. The bandage should be snug enough to support the area but not so tight that it cuts off circulation or causes numbness and tingling. Many people wear compression wraps during the day and remove them at night.
Elevation involves keeping the injured area raised above the level of the heart when possible. This uses gravity to help reduce swelling. For example, someone with ankle or foot tendonitis would prop their foot up on pillows while sitting or lying down. Elevation is particularly useful when combined with rest and ice.
Practical Takeaway: The RICE method represents a first-line approach that most people can implement at home without medical intervention. Combining all four components consistently during the first few days after symptoms appear often produces noticeable improvement and can prevent the condition from worsening.
Physical therapy plays a central role in treating tendonitis by addressing the underlying causes of inflammation and rebuilding strength and flexibility. A physical therapist creates a customized program based on which tendon is affected, the severity of symptoms, and the person's overall fitness level and goals.
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Stretching exercises help restore flexibility to both the affected tendon and surrounding muscles. When muscles are tight, they pull excessively on tendons, increasing strain. Gentle, sustained stretches—held for 30 seconds and repeated several times—gradually lengthen muscles and tendons. For example, someone with Achilles tendonitis might perform calf stretches by facing a wall, stepping one foot back, and leaning forward gently. Stretches should never cause sharp pain, only a mild sensation of lengthening.
Strengthening exercises gradually rebuild the tendon's ability to handle stress. These exercises often progress through stages, beginning with isometric exercises (where the muscle contracts without moving the joint), moving to isotonic exercises (where the joint moves against resistance), and eventually advancing to functional exercises that mimic real-world movements. For shoulder tendonitis, this might include starting with gentle resistance band exercises and progressing to weighted movements.
Eccentric exercises, which focus on the lengthening phase of muscle contraction, have shown particular benefit for certain types of tendonitis, especially Achilles and patellar tendonitis. These exercises involve slowly lowering weight or body weight against resistance. Research indicates that eccentric training helps reorganize tendon fibers and reduce pain over time. However, these exercises require proper form and should be learned from a qualified therapist.
Physical therapy typically occurs two to three times weekly for several weeks, with patients also performing prescribed exercises at home. The timeline varies considerably—some people see improvement within two to four weeks, while others require two to three months of consistent therapy.
Practical Takeaway: Working with a physical therapist provides personalized guidance and progression, reducing the risk of re-injury or making the condition worse. Even if someone cannot afford regular therapy sessions, learning proper exercise technique from a therapist for a few sessions gives them knowledge to continue treatment independently.
Several types of medications can help manage tendonitis pain and inflammation. Nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and naproxen reduce both pain and inflammation. These medications work by blocking the production of prostaglandins, chemicals that cause inflammation. NSAIDs are available over-the-counter and come in oral and topical forms. When taken according to package directions, they provide relief within hours and can be used for short-term pain management during the early stages of tendonitis.
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The duration of NSAID use should typically be limited to one to two weeks without medical consultation, as longer use carries risks of gastrointestinal issues and other side effects. People with certain medical conditions, such as kidney disease or heart problems, should consult their doctor before using NSAIDs regularly.
Acetaminophen is another over-the-counter option that reduces pain but does not address inflammation. It may be suitable for people who cannot tolerate NSAIDs, though it is generally less effective for inflammatory conditions.
Topical treatments applied directly to the skin over the affected tendon include creams and gels containing NSAIDs, such as diclofenac gel. These products reduce inflammation locally without affecting the entire body, making them a gentler option for some people. Topical treatments are often used alongside oral medications and other therapies.
Corticosteroid injections may be considered for tendonitis that doesn't respond to conservative treatment. These injections deliver powerful anti-inflammatory medication directly to the affected area. However, corticosteroid injections require careful consideration—while they can provide significant pain relief, repeated injections may weaken the tendon over time. Doctors typically limit these injections to one or two per tendon per year and use them as part of a broader treatment plan that includes physical therapy.
Prescription medications are sometimes used for severe pain or when over-the-counter options are insufficient. A doctor can discuss which medications are appropriate based on individual health history and other medications.
Practical Takeaway: Medications work best when combined with rest and physical therapy rather than used alone. Over-the-counter NSAIDs provide affordable, accessible pain relief during the initial treatment phase, but they should be viewed as part of a comprehensive approach rather than a complete solution.
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