What is shoulder tendonitis?
Shoulder tendonitis is an inflammation of your rotator cuff or biceps tendon. Your
rotator cuff consists of the muscles and tendons in your shoulder. They connect your
upper arm bone to your shoulder blade.
Your injury may range from mild to severe inflammation of most of your rotator cuff.
When your rotator cuff tendon gets inflamed and thickened, it is also called rotator
cuff tendonitis. Your rotator cuff tendon may get trapped under the top bone of your
shoulder (acromion). It is formed by a part of your shoulder blade (the scapula).
What causes shoulder tendonitis?
Shoulder tendonitis is often caused by a tendon being pinched by nearby structures.
The condition often occurs in certain sports that require your arm to move over your
head repeatedly. Such sports include baseball, weightlifting, volleyball, racket sports,
and certain swimming strokes.
What are the symptoms of shoulder tendonitis?
Symptoms may be a bit different for each person. Symptoms may include:
The symptoms of shoulder tendonitis may seem like other conditions or health problems.
Always talk with your healthcare provider for a diagnosis.
How is shoulder tendonitis diagnosed?
Your healthcare provider will take a full health history and do a physical exam. You
may also need diagnostic tests such as:
X-ray. Invisible electromagnetic energy beams produce images of internal tissues, bones,
and organs onto film.
Ultrasonography. High-frequency sound waves create an image of some part of the inside of your body.
MRI. Large magnets and a computer make detailed images of organs and structures in your
How is shoulder tendonitis treated?
Treatment will depend on your symptoms, age, and general health. It will also depend
on how severe the condition is.
Treatment may include:
Nonsteroidal anti-inflammatory drugs (NSAIDs)
Corticosteroid shot (injection)
Surgery (for severe injuries or tears)
What are possible complications of shoulder tendonitis?
If treatment is not started when your pain and discomfort are fairly mild, problems
may develop. These may include:
Pain that interrupts your sleep
Loss of strength or motion in your affected arm
Trouble doing things that require moving your injured arm behind your back or overhead.
This includes doing things such as fastening zippers or buttons. Or placing objects
in high places.
When should I call my healthcare provider?
Call your healthcare provider if:
Your pain gets worse
It gets harder to move your injured arm
Your pain disrupts your sleep
Your pain and discomfort keep you from doing your normal activities
You have numbness or tingling into your arms or hands
Key points about shoulder tendonitis
Shoulder tendonitis is an inflammation of your rotator cuff or biceps tendon. It often
results from your tendon being pinched by nearby structures.
You can get shoulder tendonitis from playing certain sports that require the arm to
move over the head repeatedly.
Symptoms can include not being able to hold your arm in certain positions and pain
or soreness in your shoulder.
Diagnosis can be made from a health history, physical exam, and tests such as X-ray
Treatment may include rest, medicines, strengthening exercises, ultrasound therapy,
and corticosteroid shots.
Surgery is used for severe injuries or tears.
Tips to help you get the most from a visit to your healthcare provider:
Know the reason for your visit and what you want to happen.
Before your visit, write down questions you want answered.
Bring someone with you to help you ask questions and remember what your provider tells
At the visit, write down the name of a new diagnosis and any new medicines, treatments,
or tests. Also write down any new instructions your provider gives you.
Know why a new medicine or treatment is prescribed and how it will help you. Also
know what the side effects are.
Ask if your condition can be treated in other ways.
Know why a test or procedure is recommended and what the results could mean.
Know what to expect if you do not take the medicine or have the test or procedure.
If you have a follow-up appointment, write down the date, time, and purpose for that
Know how you can contact your provider if you have questions.