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Doctor insights on: Causes Of Bilateral Foot Drop

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What causes foot drop?

What causes foot drop?

Nerve damage: It is usually due to nerve damage....most commonly from a stroke or injury to the lower back. Nerves are what make your muscles work.

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Footdrop (Definition)

Foot drop usually refers to the inability to dorsiflex the foot (ie lift your ankle up) this can be associated with a variety of conditions. The most common are dorsiflexor injuries, peripheral nerve injuries, and stroke. Less common causes are neuropathies, ...Read more


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What causes Foot drop?

What causes Foot drop?

Drop foot is caused by the malfunction of the anterior group muscles in the lower leg.: Hello, Drop foot is caused by the malfunction of the anterior group muscles in the lower leg. This can be due to but not limited to damage/weakness to the Common Fibular nerve and its branches, damage to the Sciatic nerve (higher up along the nerve chain). There can also be metabolic and genetic causes to it. One notes a characteristic gait pattern with this disorder.

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Can apinched nerve in lumbar4 cause foot drop? If yes, what can be done?

Can apinched nerve in lumbar4 cause foot drop? If yes, what can be done?

Foot drop: Foot drop is usually caused by pressure on Lumbar Nerve 5, but 5 percent of people have a shift up or down in which level of the spine affects which nerve. Pressure on the peroneal nerve usually near the knee can cause this as well. If not properly diagnosed or treated the weakness can be permanent and require bracing. If it is from the spine therapy and injections can often work without surgery

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Can an electromyography detect the cause of foot drop?

Can an electromyography detect the cause of foot drop?

Surely: From your description, could be due to lumbar L-5 root compression, but your foot drop could even be due to peroneal nerve compression. EMG done in certified lab could certainly differentiate.

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If a B12 def can't cause foot drop, why does it help mine? (i keep reading it can)

If a B12 def can't cause foot drop, why does it help mine? (i keep reading it can)

EBM vs anecdotal: We try to practice evidence-based medicine whenever possible but sometimes we just don't have proof (and may never). For instance, we have no randomized double-blind placebo-controlled evidence that people w/parachute jumping from an airplane live more than those who jump w/o parachute. Yet, we always use parachutes! So if B12 helps you, and there's no downside, i'd say keep using it.

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I have recently developed foot drop and I'm currently on remicade (infliximab). Can remicade (infliximab) cause this?

I have recently developed foot drop and I'm currently on remicade (infliximab). Can remicade (infliximab) cause this?

Get checked: Neurologic problems have occurred with Remicade (infliximab) but it is more important to rule out other causes which could be more serious and are potentially reversible. Call your physician immediately.

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What causes foot drop? I just had a vaginal hysterectomy.

What causes foot drop? I just had a vaginal hysterectomy.

Nerve palsy: When the patient is positioned for a vaginal hysterectomy care is taken to prevent pressure on the nerves, especially those just below the knee on the outer aspect of the upper calf. If undue pressure does occur to those particular nerves, foot drop can occur - that could be temporary, but it is possible to have a permanent palsy.

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Can l1-l2 herniated disk cause foot drop?

Not typically: Typically due to compressive pathology of the L4 nerve root or L5 -- most commonly at the l4-5 level. Not just a small herniated disc. There are other causes: neuromuscular, peripheral sciatic or peroneal nerve palsies or injuries. See your spine surgeon.

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Need a 2nd MRI after foot drop.1st MRI shows protuding disc l5s1.Will this show cause of drop or just rule out other causes? Had 1 failed nerve drop

Need a 2nd MRI after foot drop.1st MRI shows protuding disc l5s1.Will this show cause of drop or just rule out other causes? Had 1 failed nerve drop

EMG would be better: I am not sure why you would need another mri. An emg/ncv (electromyography and nerve conduction) might be a better test to localize the location of the problem. It can detect where the nerve is abnormal-often it it at the level of the knee.

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Can pain in back and leg along with foot drop be caused by a small disc protusion l5s1 if conductive nerve study and emg are normal?

Probably not: If the foot drop is related to the disc protrusion, EMG should have been positive. So your condition may be related to something else and you probably need a complete neurological examination to help localize the injury

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Can a l5s1 herniation cause foot drop even though there is no clear cause showing on the mri? Doc has said its snug but within norms. Any suggestions?

Can a l5s1 herniation cause foot drop even though there is no clear cause showing on the mri? Doc has said its snug but within norms. Any suggestions?

Not likely: L5/s1 spinal nerve roots typically innervate the muscles to the bottom of side of the foot. To have foot drop usually entails weakness to the muscles to the top of the foot (ex, neurogenic, infectious, polio, etc). A herniation will not increase muscle strength to the bottom of the foot, so it's unlikely that herniation from l5/s1 will cause overpowering of bottom foot muscles.

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Can foot drop and mononeuritis multiplex be solely caused by low vitamin b12?

Can foot drop and mononeuritis multiplex be solely caused by low vitamin b12?

Not typically: Vitamin B12 along with vitamin b6 and Folic Acid have a crucial role in nerve function. Low or high levels of vitamin B12 can cause symptoms affecting the nervous system; however, to have a one-sided foot drop and a mono neuritis (one nerve) multiplex is not as common - it's usually systemic (overall). Talk to your primary care physician for a complete work-up, a possible referral to neurology.

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How can they determine if my foot drop is being caused by my Ms or Spinal Stenosis? I am having an EMG done in Sept. Will this help tell which one?

How can they determine if my foot drop is being caused by my Ms or Spinal Stenosis? I am having an EMG done in Sept. Will this help tell which one?

Quite simple: If you have spinal stenosis, your L-5 nerve root may well be compressed, but alternatively, you could even possess a peroneal nerve problem. An EMG can clarify totally, and if negative, the foot drop would be more likely due to spinal cord involvement in MS. If the latter, you should be treated for a relapse.

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Can a nerve block on s1 cause foot drop? My gp and pysio think this is cause of my drop but consultant doesn't agree even though MRI shows no causes?

Can a nerve block on s1 cause foot drop? My gp and pysio think this is cause of my drop but consultant doesn't agree even though MRI shows no causes?

Unlikely: A single nerve block is unlikely to cause a foot drop. Check with neurologist, may need EMG or nerve conduction studies to help clarify the problem.

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Doc doesn't think l5s1 protusion is cause of back/leg pain\foot drop. Says must be nuero. What are the pos diagnoses. Ie nuero option with same symptoms?

Same thing: The idea behind a disk protrusion is that it pushes on the nerve, which is neuro. If it is isolated to the back, then it is most likely back related. It needs to be evaluated with MRI for potential options.

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Ncs and emg show no specific nerve issue, MRI shows l5s1 disc hern. But doesn't show cause of foot drop. Back and leg pain persist. What next?

Ncs and emg show no specific nerve issue, MRI shows l5s1 disc hern. But doesn't show cause of foot drop. Back and leg pain persist. What next?

Clinical discussion: Time for a face to face meeting with your doctor and an explanation of the cause of your l-5 or peroneal issues. Could this truly be coming from brain or spinal cord instead, and should those areas be imaged via mri?

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Back\leg pain11week, 3rd bout in 12m.Mri shows l5s1protusion, doesn't show foot drop cause. Nerve block didn't work. Nuero did emg\normal. Is discectomy next?

Definite option: If you have failed an appropriate course of conservative care, a microdiscectomy is a reasonable option. Check out dpine-health. Com. Good luck.

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Back/leg pain, foot drop\toes tingle. Mri inconclusive for disc cause. Ref to neuro for testing.3rd relapse, could MS be a cause of symptoms?

Back/leg pain, foot drop\toes tingle. Mri inconclusive for disc cause. Ref to neuro for testing.3rd relapse, could MS be a cause of symptoms?

Drop foot: Ms is not the only cause of a drop foot deformity. Muscle weakness is possibly from nerve damage which has many causes. You should research other symptoms of ms and the testing/treatments and talk to neurologist about any symptoms you have to help diagnose/ resolve problems. Consider other more urgent causes such as stroke or cva.

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Foot Drop (Definition)

Foot drop is a condition when a nerve and muscle in the foot are injured, preventing a person from having normal upward flexion of the food, thus allowing the foot to drop or ...Read more