Top 20 Doctor insights on: Pain behind knee when bending leg

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Dr. Frederick Buechel, jr. md
1,158 Doctors shared insights

Knee Pain (Definition)

The knee joint is the joint between three bone of the lower leg: the proximal tibia, the distal femur, and the patella. There are multiple causes of knee pain including degenerative, ...Read more


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Sharp stabbing sensation in left knee. Pain occurs when bending or lifting leg. No pain pushing or massaging knee. Ideas?

Sharp stabbing sensation in left knee. Pain occurs when bending or lifting leg. No pain pushing or massaging knee. Ideas?

Ideas, many: Knee pain is very frequent, as with other pains try to recall: onset of pain, radiation, alleviating or aggravating factors, severity of the pain. Possible causes: sprain, tendonitis, bursitis, osteoarthritis, etc. You need to see your primary doctor first and then maybe you need further referral if is not a simple diagnosis. If you had a trauma and then pain seek an orthopedist. ...Read more

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Have knee pain bending, stairs, sitting for too long, hurts try exercises no luck. Sometimes leg will get numb while sitting long what is this?

Have knee pain bending, stairs, sitting for too long, hurts try exercises no luck. Sometimes leg will get numb while sitting long what is this?

Varies: There are a umber of possibilities, I would not hesitate to be seen and am exam and appropriate studies can likely determine the cause. The most common cause of anterior knee pain that is worse when sitting with knee flexed or going up the stairs is a disorder of the patella; the most common of which is chondromalacia. There are many good nonsurgical options. ...Read more

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Sharp severe pain in left knee. Pain occurs when bending or lifting leg, when going down stairs, and when pressing quad-edge of kneecap.

Sharp severe pain in left knee. Pain occurs when bending or lifting leg, when going down stairs, and when pressing quad-edge of kneecap.

Protection!: You know the joke "Doc, it hurts when I do this." and Doc says "Don't do that! Well, for now try not to do those things. Also use a good knee brace to protect/imobolize the knee until you can see a doctor for an exam. Rest will help whatever it is to stop further irritation damage. Knees can be unforgiving, so treat them w/ gentle care. Best! ...Read more

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Knee pain when bending, knee stiffness and leg tingling back of knee and front of knee are swollen no fever not red its been a month since this started the back of my leg hurts when I walk around any ideas??? I have no insurance so plz help!! .

Knee pain when bending, knee stiffness and leg tingling back of knee and front of knee are swollen no fever not red its been a month since this started the back of my leg hurts when I walk around any ideas??? I have no insurance so plz help!! .

Recommend Eval: With knee pain lasting a month, swelling and stiffness I would recommend you have the knee looked at. There are several possible causes to your symptoms; some that may be more concerning then others. Your knee may need to be drained (fluid removed). A more thorough history and exam of your knee seems necessary at this point. Consider a virtual consult as a starting point. Hope that helps! ...Read more

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Tibia knee fracture healed MRI clear still knee pain anf pain when bending knee. When standing leg not straight?

Tibia knee fracture healed MRI clear still knee pain anf pain when bending knee. When standing leg not straight?

Nerve injury: Knee injuries may be associated with nerve damage at times which is quite painful- many people guard their knees (avoid use due to fear of pain) and may develop contraction deformities and adhesions which may explain your lack of range of motion. You may need to revisit with your surgeon or seek expert opinion with pain specialist. ...Read more

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Cause of pain behind knee after folding or stretching left leg?

Hamstring: Pain behind the knee w/ ' stretching' your leg may be due to hamstring irritation/ injury, undiagnosed bakers' cysts, and other causes. See your md for evaluation if no improvement or go to er if pain / swelling worsen (dvt work - up). ...Read more

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Have sudden pain behind knee. Is that one of the signs and symptoms of leg blood clot?

Probably not: Sudden onset pain usually is associated with something like a muscle tear or cyst rupture if the pain is very localized to behind the knee, not involving the entire lower leg. However, any time there is concern about a possible blood clot, you should be checked by a health professional. ...Read more

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Should I see a doctor for left leg behind knee pain I can barely walk on it and if I sit down to long for more than 5 min it is really bad for me?

Posterior knee pain: Yes, see orthopedic surgeon. Consider arthritis, gastroc soleus strain, popliteal cyst, referred sciatic pain, and rule out a blood clot with venous doppler. ...Read more

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Knee pain on/off 7 yrs. Around/behind kneecaps. Both legs, not always same time. Can’t link to weather, activity, temp. Heat=more discomfort. Akp?

Knee pain on/off 7 yrs. Around/behind kneecaps. Both legs, not always same time. Can’t link to weather, activity, temp. Heat=more discomfort. Akp?

therapy is importan: This sounds like you have patellofemoral pain syndrome. This is the result of mild damage to the cartilage behind her kneecap or a chronic strain to the muscles attaching into the kneecap. If symptoms of swelling, catching, locking and giving way occur he may require surgery. If these do not exist physical therapy stressing the core, hip muscles and the muscles would be indicated. ...Read more

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How can I tell if I have a blood clot right behind my knee? Pain & mild swelling behind knee on left leg. I'm only 18, normal weight but sedintary.

How can I tell if I have a blood clot right behind my knee? Pain & mild swelling behind knee on left leg. I'm only 18, normal weight but sedintary.

See physician: Physical examination by physician and then usually doppler ultraasound for confirmation. Sometimes pain in this area can be caused by baker cyst, collection of synovial fluid. ...Read more

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Unable to sit by folding legs. If manage to fold then can't bring it back have pain behind knee area and hip area. Having e.Coli in urine. What's this?

Unable to sit by folding legs. If manage to fold then can't bring it back have pain behind knee area and hip area. Having e.Coli in urine. What's this?

See below:: I believe you have an urinary tract infection that you need to get treated; your knee problem sounds like a meniscal lesion or 2, causing all your knee/leg problems.
You should see your doctor for the urinary infection and an orthopod for the knee problems. Good luck. ...Read more

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Saw PCP yesterday for pain behind knee on L leg w/calf pain, showed him MRI diagnosis may-thurner syn. He thinks pain is related to mts, didn't do tests. Ideas?

Saw PCP yesterday for pain behind knee on L leg w/calf pain, showed him MRI diagnosis may-thurner syn. He thinks pain is related to mts, didn't do tests. Ideas?

MTS usually painless: May-Thurner syndrome is usually painless unless the patient has new deep vein thrombosis (DVT). Venous duplex is diagnostic of DVT. If a d-dimer test was done a negative result all but precludes DVT. ...Read more

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Panicking neg doppler ten days ago startes getin pain behind knee yesterday panic attacks it clot had three scans on left leg one on right and ct all neg but d dimer was 310 cut off 230?

Panicking neg doppler ten days ago startes getin pain behind knee yesterday panic attacks it clot had three scans on left leg one on right and ct all neg but d dimer was 310 cut off 230?

Clinical more import: There is much more importance in this kind of situation of the clinical picture for the presence of a blood clot than the value of 1 single lab value. If your other testing is negative multiple times and a doctor's examination of the leg is negative for suspicion of a clot then, 1 single abnormal lab shouldn't change anything. Write to me if more questions: www. Healthtap. Com/drsaghafi ...Read more