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Tenosynovitis (say "ten-oh-sin-uh-VY-tus") means the lining of a tendon is inflamed. This problem usually affects tendons in your thumb and wrist. A tendon is a cord that joins muscle to bone.
Tenosynovitis can be caused by an injury. Or it may be caused by repeating a movement over and over, such as when you knit, lift things, or play video games. In rare cases, an infected wound causes it.
In most cases, you can recover fully. But if the problem is caused by doing something over and over and you don't stop or change doing that, it may come back.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Call your doctor or nurse advice line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse advice line if:
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Current as of: November 9, 2022
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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