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A Baker's cyst is a swelling behind the knee. It may cause pain or stiffness when you bend your knee or straighten it all the way. Baker's cysts are also called popliteal cysts.
If you have arthritis or another condition that is the cause of the Baker's cyst, your doctor may treat that condition. A Baker's cyst may go away on its own. If not, or if it is causing a lot of discomfort, your doctor may drain the fluid that has built up behind the knee. In some cases, a Baker's cyst is removed in surgery. There are things you can do at home, such as staying off your leg, to reduce the swelling and pain.
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 911 anytime you think you may need emergency care. For example, call if:
Call your doctor now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor if:
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Current as of: March 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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