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Doctor insights on: Sudden Sharp Pain Behind Knee That Almost Knocks You Over

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Tight feeling sharp pain behind knee and into buttock?

Tight feeling sharp pain behind knee and into buttock?

Knee pain: Sometimes a baker cyst can cuase pain in the back of knee. Also hamstrings attach near the buttocks and eun behind knee and can cuase problems. ...Read more

Dr. Frederick Buechel
1,070 doctors shared insights

Knee Pain (Definition)

Knee pain is a clinical finding in which the joint (where the bones meet) of the knee is painful to move. This can occur with Injury, arthritis, crystal build up in joints, ...Read more


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Got a sharp pain behind knee cap and is getting worse everyday could it be fluid if so is there anyway of helping it without going to the doctor?

Got a sharp pain behind knee cap and is getting worse everyday could it be fluid if so is there anyway of helping it without going to the doctor?

You can try: oral anti inflammatory meds such as aleve or motrin (naprosyn or ibuprofen), rest, and alternating ice and heat. If that does not help, you need to see a doctor. Don't let it go until damage becomes irreversible. ...Read more

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No redness or swelling. Not on the pill. Tearing like sharp pain behind knee where the joint is when I stand too long or walk. D dimmer test ok. ?

No redness or swelling. Not on the pill. Tearing like sharp pain behind knee where the joint is when I stand too long or walk. D dimmer test ok. ?

Not DVT: The negative D-diner test effectively rules out deep vein thrombosis as diagnosis. Your symptoms suggest orthopedic problem in knee or sciatica. ...Read more

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L5-S1 microdiscectomy Fri for left leg sciatic pain. Calf/foot pain relief w/some thigh/behind knee pain. Pain less AM but sharp pain down left leg into foot w/pain level of 9.5 & hurts sitting/lying.

L5-S1 microdiscectomy Fri for left leg sciatic pain. Calf/foot pain relief w/some thigh/behind knee pain. Pain less AM but sharp pain down left leg into foot w/pain level of 9.5 & hurts sitting/lying.

Microdiskectomy: Give it some time; sometimes simply moving the roots around can upset the lumbar plexus and give you intermittent (even quite severe) pain, although it resolves within a week or two. Getting to the disk requires mobilization of the roots and inflammatory changes from that- or the disk herniation- itself can give this pain. As long as bowel and bladder OK, hopefully this will resolve also. Best! ...Read more

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Knee pain: under and below the knee cap-when I stretch it there is sharp pain. I've been icing it, but doesn't help. Hurting for more than a week.

Knee pain: under and below the knee cap-when I stretch it there is sharp pain. I've been icing it, but doesn't help. Hurting for more than a week.

Varies: There are several possibilities including tendinitis of the patellar tendon at its orgin on the patella or chondromalacia on the under surface of the patella. You would probably do well to avoid jumping activities and activities that involve a lot of knee flexion, and if it does not get better I would consider being seen. ...Read more

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I had this knee pain evertime when i walk..and when im bending it satred to have this sharp pain,how am i going to explane to my doc and what its?

I had this knee pain evertime when i walk..and when im bending it satred to have this sharp pain,how am i going to explane to my doc and what its?

See below: Pain explanation terms mild, moderate severe constant intermittent location medial lateral peripatellar-knee cap in front, back mechanical catching locking radiation down leg aggravating activities ...Read more

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Behind knee (burning)and calf (dull/sharp) pain that's been getting worse over the last 3weeks. X-ray normal ultrasound knee to groin normal. No injur?

Behind knee (burning)and calf (dull/sharp) pain that's been getting worse over the last 3weeks. X-ray normal ultrasound knee to groin normal. No injur?

Knee: I think you should see your physician and ask an ultrasound. There csn still be other soft tissue pathology that does not show up on x ray like a Bakers cyst. Sounds like there is something pinching some nerves back there. ...Read more