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Doctor insights on: Sciatic Nerve Information

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Nerve (Definition)

The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and ...Read more


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Is ilioinguinal nerve the same size as sciatic nerve?Saw mr neurography image of the sciatic nerve.Can ilioinguinal nerve appear that clearly on mrn?

Is ilioinguinal nerve the same size as  sciatic nerve?Saw mr neurography image of the sciatic nerve.Can ilioinguinal nerve appear that clearly on mrn?

Not likely: The sciatic nerve is anatomically larger than the ilioinguinal nerve. Mrn is not widely available. The ilioinguinal nerve is not as likely to be seen as clearly on mrn as the sciatic nerve. ...Read more

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Can reflexology irritate sciatic nerve.?

Thanks for asking!: Any severe stretch or pressure can cause sciatic irritation.Make sure the person doing the treatment is well trained. ...Read more

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Would oxycodone relieve nerve pain? Particularly pudendal neuralgia?

Would oxycodone relieve nerve pain? Particularly pudendal neuralgia?

Yes and No: Short answer is that any opiate or narcotic, oxycodone, hydrocodone, morphine etc, will help just about any pain. But one develops rapid tolerance to such drugs and in time they become less effective. Most all neuralgias are much more effectively treated with more "nerve specific" meds like Gabapentin and carbamazepine. ...Read more

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Can a compressed sciatic nerve cause leg weakness? Specifically the hamstring?

Can a compressed sciatic nerve cause leg weakness? Specifically the hamstring?

Possibly: A compressed sciatic nerve can cause leg weakness. Often pain down the leg is due to a lumbar radiculopathy or irritation to the lumbar nerve roots that make up the sciatic nerve. The distribution of pain depends on which nerve is irritated although pain in the back or leg or "hamstring" is common. See your md if this pain lasts greater than 2 weeks. ...Read more

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What is nerve impingement?

What is nerve impingement?

Pinching of nerve: It is pinching or compression of a nerve due to either a disc herniation, spinal stenosis , a bony ridge or spur, overgrowth or unfolding of ligament, overgrowth of a facet joint, from spinal instability. From a spinal deformity, from a synovial cyst, from excessive fat in the spinal canal, from a spinal fracture, from a spinal tumor, infection or even a bleed or vascular problem. I can list ... ...Read more

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Piriformis trapped nerve dangerous?

Piriformis trapped nerve dangerous?

Piriformis sciatica: I'm not sure what you mean by "dangerous". Most cases of piriformis syndrome with intermittent sciatica are painful, but not at all what i'd consider dangerous. As you can see from the image attached, the sciatic nerve can pass behind the muscle or split the muscle (just butt pain then), or one or both parts of the nerve can pierce the muscle which can cause the shooting pain down the leg. ...Read more

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Can a herniated disk without nerve compression cause sciatica pain?

Can a herniated disk without nerve compression cause sciatica pain?

Yes: Nerve compression is just one way sciatica can happen. Often when looking at MRI, doctors don't take into consideration that this is a still image and doesn't show what your spine will do when you move, bend over or even stand up. That is why you need to see a spine specialist that can discuss this with you and your options for treatment. ...Read more

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Might a herniated disk without nerve compression still cause sciatica pain?

Might a herniated disk without nerve compression still cause sciatica pain?

Yes: Nerve compression is just one way sciatica can happen. Often when looking at MRI, doctors don't take into consideration that this is a still image and doesn't show what your spine will do when you move, bend over or even stand up. That is why you need to see a spine specialist that can discuss this with you and your options for treatment. ...Read more

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Can spinal nerve impingement cause penile numbness?

Can spinal nerve impingement cause penile numbness?

YES: Damage to the nerves that supply the perineum may result in penile numbness. It is well known that bicycle riding, which is an excellent aerobic exercise, may result in penile numbness. This may result from nerve damage or vascular compression resulting arterial insuffiency, swelling and even blood clots. If you're having numbness your pcp may refer you to a urologist & neurolidt for evaluation. ...Read more

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Where is your brachial plexus nerve?

Where is your brachial plexus nerve?

Not single nerve: Brachial plexus is a group/cluster of nerves connecting cervical spinal cord and an arm. The major nerves involved include median, ulnar, and radial, but also axillary and supra scapular. The bulk of the plexus itself in located in the shoulder region. ...Read more

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What are suggested excercises for a pinched sciatic nerve?

What are suggested excercises for a pinched sciatic nerve?

McKenzie: Several exercise approaches can help low back pain, and physical therapists can instruct in williams and mckenzie approaches. Some specialized therapists can use felderkreis approaches. Best to have direct expert instruction prior to using these techniques. Although pilates is touted, need an expert to select safest approach. ...Read more

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Can a spinal cord stimulator cause pinched nerve ?

If: Placed correctly should help with pinched nerve, sometimes they migrate (leads) go have them checked. ...Read more

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Is c5-c6 impingement a pinched nerve?

Is c5-c6 impingement a pinched nerve?

Yeah: Yeah at times you will note on a radiology report that a bone spur (osteophyte), or herniated disc is causing nerve impingement. That is the medical way of stating it is pinching the nerve in question. ...Read more

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What is denervation of C6 nerve root innervated muscles?

What is denervation of C6 nerve root innervated muscles?

Anatomy: C-6 provides innervation in part to biceps, brachioradialis, wrist flexors, especially flexor carpi ulnas, and radials, Presence of faulty C-6 function could decrease biceps and brachioradialis reflexes in afflicted arm. ...Read more

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Can piriformis syndrome cause muscle twitches in leg? If it's bothering the sciatic nerve or nerve?

Not seen that but...: I am not aware of leg twitches as being part of the complaints seen in patients with true piriformis syndrome. Pain, numbness, tingling, difficulties with ambulaton are the predominant symptoms reported as well as weakness in the leg. In women pain on sexual relations can also be seen. However, I've seen leg muscle spasms so I could believe twitches if you've been correclty diagnosed. ...Read more

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Difference between herniated discs, nerve compression, radiculopathy, sciatica, spinal stenosis, spondylosis and osteoarthritis. I get various diagnosis?

Difference between herniated discs, nerve compression, radiculopathy, sciatica, spinal stenosis, spondylosis and osteoarthritis. I get various diagnosis?

It may be that you : Have them all as everyone ages so by 49 as a male, there are degenerative or arthritis changes in the spine termed spondylosis. By age 60, 20% have some narrowing or stenosis of the spinal canal. Disc herniation can lead to it too all resulting in nerve compression which can cause arm/leg symptoms termed a radiculopathy or in leg also known as a sciatica. ...Read more

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Can you explain what are neuritis, radiculitis, radiculopathy, sciatica and cauda equina?

Can you explain what are neuritis, radiculitis, radiculopathy, sciatica and cauda equina?

Ill try: These are all similar terms neuritis is inflamation of a peripheral nervec radiculitis is inflation of a nerve rootr adiculopathy is chacteristic pain pattetn from a radiculitis siatica is ageneral term that describesva chacteristic pain in buttocks and leg often caused by a radiculits or neuritis of siatic nerve. Cauda equina is the name of the large group of nerves that comes off spinal cord tip. ...Read more

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Could a herniated disk without nerve compression still cause sciatica pain?

Could a herniated disk without nerve compression still cause sciatica pain?

Annular tear: Sometimes the herniated disk has annular tear that releases the spongier nucleus pulposus out that can cause a chemical neuritis on the nerves that is similar to sciatica. Also if the MRI reflects any listhesis (slipping of one bone on the other) there may be a compression on the nerves that will not be appreciated on the MRI because you are lying down and not allowing gravity/forces to move it. ...Read more

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What is "nerve entrapment"?

What is "nerve entrapment"?

Nerve compression: Nerve compression syndrome or compression neuropathy, also entrapment neuropathy, is medical condition caused by direct pressure on single nerve, known as trapped nerve, though this may also refer to nerve root compression (by a herniated disc, for example). Its symptoms include pain, tingling, numbness, and muscle weakness. Common places include elbow and wrist. ...Read more

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Dr. Hamid Sajjadi
841 doctors shared insights

Sciatic Nerve (Definition)

It is a large ...Read more