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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Pain Behind Left Knee?

I am experiencing pain behind my left knee. My foot feels numb and kind of tingles. It hurts when I walk but I am able to bend the knee. I went for a short walk this morning, some of which was uphill. The pain did not start until several hours later. I am 72 years old and not in great physical shape. I am worried about a possible blood clot. What should I do?
Wed, 2 Dec 2015
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Addiction Medicine Specialist,  's  Response
Cannot diagnose or treat wtihout actually being there.

Pain can often be localized to where the problem is by 1) poking areas and seeing what is painful. Joint pain varies a bit, but generally it hurts when moving the joint or bearing weight on it. Muscles often hurt after the exercise in situations that are NORMAL. Blood clots hurt soon after they occur and stay constant.
2) the pattern of what causes the pain exercise causes pain due to lack of blood flow and occurs as a dull ache after exercise and often gets worse hours or a day later. If this occurs with minimal exercise atherosclerosis to the area and serious circulatory problems can be there. This would show other signs of an area not getting blood (pale, white, cold, poor pulse, etc.)

these would need evaluation and treatment pretty soon.
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What Causes Pain Behind Left Knee?

Cannot diagnose or treat wtihout actually being there. Pain can often be localized to where the problem is by 1) poking areas and seeing what is painful. Joint pain varies a bit, but generally it hurts when moving the joint or bearing weight on it. Muscles often hurt after the exercise in situations that are NORMAL. Blood clots hurt soon after they occur and stay constant. 2) the pattern of what causes the pain exercise causes pain due to lack of blood flow and occurs as a dull ache after exercise and often gets worse hours or a day later. If this occurs with minimal exercise atherosclerosis to the area and serious circulatory problems can be there. This would show other signs of an area not getting blood (pale, white, cold, poor pulse, etc.) these would need evaluation and treatment pretty soon.