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Doctor insights on: Sciatic Pain Behind Knee

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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

Dr. Frederick Buechel, jr. md
1,163 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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Have had knee pain (outside of leg) for some years. Nothing to see on tests. Physio thinks it is to do with sciatic nerve. Any suggestions?

Si joint: Could be an sacroiliac joint problem, especially if you have it while standing or walking, or on any other mechanical movements, see pain specialist, or have your physiotherapist perform 5 different diagnostic tests, if 3 will be positive you still need to see a pain specialist, and may be need it to be injected with cortisone. Take Ibuprofen or Celebrex (celecoxib) in a mean time. ...Read more

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I have a cyst on my left wrist, left shoulder pain, left hip pain like a pinched sciatic, left knee pain, and left ankle pain. Coincidence? Left side?

I have a cyst on my left wrist, left shoulder pain, left hip pain like a pinched sciatic, left knee pain, and left ankle pain. Coincidence? Left side?

Not all related: Hip snd lower psins can sll be related to a pinchedl5nerve root but theupper extremity stiff unrelated to lower stuff the srist cyst can cause shoulder psin through regonal paindisorder. ...Read more

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Can sciatic never cause slight pain/slight numb feeling in back of leg, behind the knee, where the leg folds? Or could running irritate this area?

Popliteal pain: There can always be variations, in location of pain but if a runner would consider tendon strain (semimembranosus, hamstring), gastreconemius, posterior horn of meniscus, baker's cyst, rare areterio-venous malformation or occlusion, f/u w/ doc ...Read more

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My sciatic nerve is causing severe pain down my right thigh and behind my knee, today I've noticed tingling in my right foot. No known injury.?

My sciatic nerve is causing severe pain down my right thigh and behind my knee, today I've noticed tingling in my right foot. No known injury.?

Get treatment: If it has not resolved within a few days, go see your primary care physician. Most likely pain meds, activity modification and some therapy will get rid of this. If not, you should get an MRI and see a spine specialist. ...Read more

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Can the front of your thigh and back of your knee hurt if ur sciatic nerve hurts?

Can the front of your thigh and back of your knee hurt if ur sciatic nerve hurts?

Sciatic pain: Yes it can. Need evaluation by an Orthopedic specialist. ...Read more

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When I sit on butt with knees pulled to chest and rock I can feel a popping in butt like a muscle? Maybe my sciatic nerve popping back and forth?

When I sit on butt with knees pulled to chest and rock I can feel a popping in butt like a muscle? Maybe my sciatic nerve popping back and forth?

Not likely: More likely one is rocking on the part of the pelvis called the ischial tuberosity or sits bone. But if there is pain, tingling or any kind of alarming sensation, one should get it looked at. ...Read more

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Can sciatic pain be felt from knee down to foot its a dull pain and not feel pain at thigh?

Maybe variable: The classic sciatic pain radiates down the buttock, posterior thigh into the top or bottom of the foot, but pain patterns are sometimes referred distally. Your pain may be due to a different mechanism, so, see a doctor, get examined, and maybe obtain MRI to evaluate. ...Read more

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I had an epidural for my knee replacement surgery and have had severe sciatic pain every since...why?

I had an epidural for my knee replacement surgery and have had severe sciatic pain every since...why?

Several reasons: A knee replacement would have necessitated bedrest for a period of time. Several things could have happened. In 10-20% of the population the sciatic nerve pierces the piriformis muscle. If this muscle goes into spasm (as it might when your sitting all the time when normally active) then there will be deep buttock pain radiating to the leg in some cases. Sciatic root compression can also occur. ...Read more

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I fell on my knee and now it hurts and now it feels like I have water sensation running down my leg? I have bad sciatic problems and can barely walk.

I fell on my knee and now it hurts and now it feels like I have water sensation running down my leg? I have bad sciatic problems and can barely walk.

Have to see doctor: You may have sustained internal injury to knee joint (ligaments, meniscus etc), you have to see orthopedic surgeon for tests and treatment, delay may cause severe damage. ...Read more

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Random tingling in both of shins right under knee could it come from my knees? Tinging in left calf and foot. What could be other than sciatic nerve

Random tingling in both of shins right under knee could it come from my knees? Tinging in left calf and foot. What could be other than sciatic nerve

Exam time: Please schedule a visit for an in person physical exam. At 21 years of age, numbness and tingling in your extremities could be from a panoply of causes including peripheral neuropathy, diabetes, or orthopaedic causes. You need to discuss your medical and family history, travel and exposures to infection, and possibility of vascular, autoimmune, traumatic, neoplastic, and idiopathic etiologies. ...Read more

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How would you determine if pain radiating down the back of the leg to above the knee, is sciatic vs. Referred pain from another site (hip, pelvis, etc)?

2nd opinion from DO: With your history of fractures, chronic back pain, OA knees B/L, back trauma, you could benefit greatly from seeing an osteopathic medical doctor, who specializes in neuromusculoskeletal medicine (NMM) to evaluate and treat you. They would be able to answer this question quickly, a nd accurately, as it may be a combination of both with your complex trauma history. There are DOs locally in ME, NH, RI &MA ...Read more

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I have a pain that runs from my mid-left buttocks to the back of my thigh just above the knee, what is this pain? Someone said it maybe my sciatic nerve I have had this since february I notice it when I sit for a long time or when I run, what should I do?

I have a pain that runs from my mid-left buttocks to the back of my thigh just above the knee, what is this pain? Someone said it maybe my sciatic nerve I have had this since february I notice it when I sit for a long time or when I run, what should I do?

Sciatica: Pain in the distribution as you suggested describes the pattern of the nerve that travels in the leg called the sciatic nerve. The sciatic nerve is not the cause of the pain source, it is the result of an irritated nerve typically in the lumbar spine (low back) which are caused by herniated disks, spinal stenosis or degenerative disc disease requiring further evaluation by a spine specialist. ...Read more

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I have a sore back I think sciatic nerve pinch. The front of me quad muscle is numb down to the knee are they related?

I have a sore back I think sciatic nerve pinch. The front of me quad muscle is numb down to the knee are they related?

Meralgia paresthetic: Pain in the anterior & lateral (front & side) of the thigh is more often a pinched lateral cutaneous femoral nerve, rather than sciatic nerve. In any case, physical therapy can likely help both problems, but it's important to see your neurologist to get a diagnosis first. Good luck! ...Read more

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Sciatic like pain stiff sore knee. No visible redness/swelling. When to worry about fluid on knee or something bad? Just saw dr for calf pain. Blood fine.

Don't worry: I would not worry so much as just that you might want to be seen for a specific diagnosis and treatment options. As you mentioned, it can be a variation of a sciatica, which is leg pain caused by an irritation if a nerve in the back; or it can be from something in the leg itself. A detailed exam and appropriate studies will likely yield the correct diagnosis. ...Read more

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Am being treated for bulging disc pressing on sciatic nerve pain shoots back to front then down inner thigh to knee can this cause rash on inner thigh?

Unusual: It would be unusual for a disk to create a sciatic nerve neuropathy, but more of a root problem, which seems to correlate to your symptoms more. However, a rash would be unusual to be caused by such a nerve problem. Please see your physician to be sure it is assessed and evaluated. ...Read more

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Can gout cause sciatic like pain. I have 6.5 uric acid level. Have pain in right leg. Right knee and lower back pain.

Can gout cause sciatic like pain. I have 6.5 uric acid level. Have pain in right leg. Right knee and lower back pain.

Gout and Sciatica?: This would be quite rare. Being that gout is a joint based inflammatory condition, this is highly unlikely. Keep working on getting that UA level under 6 though. Sciatica can be successfully treated though with icing, stretching, physical therapy and even anti-inflammatories (motrin, naprosyn, (naproxen) etc.). ...Read more

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Can a sciatic nerve cause you to have excessive water in the knee and pain swelling in ankle and foot? Or a torn acl?

Not directly. Tho --: The nerve injury can affect the whole leg resulting in weakness, inability to stand on it. Such situation can cause a fall or injury with pain/swelling of joints of the foot/ankle/knee. Torn acl is not particularly associated with nerve injury. ...Read more

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I've been having bad sciatic nerve/lower back pain, Now Right above my knee is swollen. Is that from nerves? Disck herniation? Blood clot?

I've been having bad sciatic nerve/lower back pain, Now Right above my knee is swollen. Is that from nerves? Disck herniation? Blood clot?

None of the above: You certainly are a worrier to come up with those 3 possibilities instead of something more commonplace, like knee strain. Did a doctor diagnose you with sciatica, or did you diagnose yourself? Sounds like you need to have your knee examined by a live doctor in his/her office, someone who can counsel you about what to worry about & what not to worry about. Trusting Dr. Google is hazardous. ...Read more

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Would a torn ACL cause excessive water in knee and a very sensitive calf? And swelling in ankles and foot, ? Or could a sciatic nerve cause all of this?

ACL: Yes. The water is inflammation in the knee joint - from the torn acl. Thing like a bakers cyst behind the knee or a torn knee joint capsule could cause the fluid to leak out and affect the calf and cause swelling in the affected leg. Due to the instability in the knee, you would be compensating and using muscles differently so could aggravate the affected leg and put pressure on the sciatic nerve. ...Read more

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Crawling sensation on shin, twitches, quick warm sensations on thigh and shin, sciatic like leg pain thigh to ankle. Stiff sore knee. Back pain. Nerves???

Crawling sensation on shin, twitches, quick warm sensations on thigh and shin, sciatic like leg pain thigh to ankle. Stiff sore knee. Back pain. Nerves???

Nerve or paresthesi: This could be a pinched nerve but also paresthesias or uncomfortable skin sensations. Your physician can help clarify ...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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Dull aching pain behind knee right above the crease. Woke up with it?

Home remedy: Sounds very non -specific. Specific diagnosis difficult without physical exam of the area. Apply a little ice and take 600mg Ibuprofen with food. If not improving over next few days see PCP for a check up. ...Read more

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Pain behind knee when standing for too long. What can I do to prevent this?

Pain behind knee when standing for too long. What can I do to prevent this?

Stretching: You probably need to do some knee stretching. You could also have a bakers cyst. That cyst can be a sign of arthritis. I would get it checked out. ...Read more

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What could it be when a 6 year old has frequent knee pain, behind the knees, where she is crying in pain?

What could it be when a 6 year old has frequent knee pain, behind the knees, where she is crying in pain?

Many reasons: There is a whole list of possibilities for this pain. I would seek the attention of a pediatric orthopaedic surgeon immediately. ...Read more

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What would cause progressively worse knee pain that stems from behind the knee? It is painful to bend and to walk?

Baker's cyst?: Several causes of pain behind the knee. I assume no recent trauma--you may have a baker's cyst--basically a collection of joint fluid extruded outside of the joint and formed sack there behind the knee...As it enlarges, it can cause pain and reduces ability to bend the knee.
A bit clot in the back can do so as well, but you don't have other symptoms to suggest that.
Consult your doc.
Good luck. ...Read more

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I have recently started running and have developed knee pain, especially behind my left knee. I've stopped running but what else can I do?

I have recently started running and have developed knee pain, especially behind my left knee. I've stopped running but what else can I do?

Strengthen: Quadriceps muscles and tape your kneecap based on the direction it goes when your walk or run. This can be accomplished by seeing a sports training physical therapy program. If this isn't helping then consider evaluation by an orthopedic sports medicine specialist. ...Read more

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Discomfort all about knee especially just above knee & to outside of it. Feels like tight squeezing when knee is bent. Some pain behind knee too.

Discomfort all about knee especially just above knee & to outside of it. Feels like tight squeezing when knee is bent. Some pain behind knee too.

Swelling?: Sounds like the knee is swollen and the tightness is because of the fluid in the joint. I would have a doctor (Urgent care or PCP) check it out and determine what should be done and how to treat the discomfort. ...Read more

Dr. Marvin Ott
841 Doctors shared insights

Sciatic Nerve (Definition)

It is a large ...Read more