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Doctor insights on: Is Sciatica Usually A Problem In The Central Or Peripheral Nervous Systems

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Dr. Qamar Khan
1,075 doctors shared insights

Sciatica (Definition)

A condition that results in pain, weakness, numbness, or tingling in the leg. It results from injury to or pressure on the sciatic nerve, which starts in the lower spine and runs down the ...Read more


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Need help. Is 'sciatica' a problem in the central or peripheral nervous systems?

Peripheral: Sciatica is a condition that affects the sciatic nerve which from the lower back down the back side of each leg. The central nervous system is comprised of the brain and spinal cord. The peripheral nervous system includes all peripheral nerves. ...Read more

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Is restless leg problem a muscle problem or a disorder of the nervous system?

Is restless leg problem a muscle problem or a disorder of the nervous system?

Movement Disorder: Rls is classified as a movement disorder and we believe it arises primarily in the brain. Some people have secondary RLS associated with neuropathy, herniated discs. But the muscles of the legs are generally a "problem". If you have rls, consult with a physician to see if it truly is or a symptom of another problem. ...Read more

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Is restless legs syndrome a muscle disorder or a problem of the nervous system?

Is restless legs syndrome a muscle disorder or a problem of the nervous system?

Not sure: I can't tell which but it can be due to low iron levels and it not this it responsed to Dopamine agonists like Requip (ropinirole) or sinemet implying a nervous system problem. Some people do better with anticonvulsant meds like Neurontin or Klonopin which may have some muscle relaxant effects. So it may have multiple causes. ...Read more

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What is the name of the nerve that brings heart pain to the central nervous system?

What is the name of the nerve that brings heart pain to the central nervous system?

There isn't just one: There may not be just one nerve that brings heart pain to the brain. This is why people describe their heart attack symptoms so differently. Some people get nausea, sweating and a sense of "just not feeling right, " while others get the more classic chest and arm pain. Others may get extreme heaviness in the chest and shortness of breath. Thi suggests that different nerve pathways can be involved. ...Read more

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Is it the central or peripheral nervous system problem if you get back pain with sensations going down a leg?

Is it the central or peripheral nervous system problem if you get back pain with sensations going down a leg?

Describing sciatica: Peripheral nerve compression.As the nerves leave the spinal column the "disc", a tough, fibrous, shock absorber that is between the vertebral bones can extrude and press on the nerve in a few places.This is usually "self-limited" meaning it goes away over time with stretching, nsaid's like ibuprofen, and traction(gravity boots).Usually no images(x-ray, ct, mri) needed unless weakness, bladder, bowel, chang. ...Read more

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Could the immune system attack nerve cells and kill the nerves throughout the body? Is this rare? Whats this diagnosed as.

Could the immune system attack nerve cells and kill the nerves throughout the body? Is this rare? Whats this diagnosed as.

Nerve cells: Yes, the nervous system can be the target of an inflammatory response by the immune system. If such attack occurs in the brain or spinal cord it is called cerebritis or gliosis and myelitis. Multiple sclerosis is an example of this phenomenon. If the attack occurs in the nerves of te arms or legs then it is called neuropathy. Certain clinical syndromes are recognized depending the progression and distribution. ...Read more

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What is the difference between the central nervous system and the peripheral nervous system?

Anatomical terms: Brain, spinal cord, and cranial nerves, especially optic nerves, all start within the central system. Once outside the spinal canal these nerves are now called peripheral nerves and connect to muscle to cause contraction, and return to spinal cord, sensory nerves, to report peripheral sensations from outer world. ...Read more

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What if the cause of the neuropathy (i.e peripheral neuropathy) is injury/trauma can the problem be resolved? I.e nerve damage. e.g in the penis.

What if the cause of the neuropathy (i.e peripheral neuropathy) is injury/trauma can the problem be resolved? I.e nerve damage. e.g in the penis.

Damage and IVIG: Nerve damage does not normally heal in response to IVIG therapy, but there are several helpful treatments that may be available from urology for this particular situation. ...Read more

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If fibromyalgia is believed to be caused by the central nervous system why can't it be fixed with some kind of surgery?

If fibromyalgia is believed to be caused by the central nervous system why can't it be fixed with some kind of surgery?

What to fix?: The problem seems to be faulty signalling from the muscles and organs back to the brain. Pain signals that are sent are not necessarily sent in response to an actual painful stimulus. Many factors - stress, immune system, hormones, mood - all seem to affect the pain signals in FMS patients. Since we don't understand how all this happens yet we don't know exactly what to fix yet! ...Read more

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What is the role of spinal cord in the nervous system?

What is the role of spinal cord in the nervous system?

Connector: The spinal cord connects the nerves in the brain with the nerves throughout the body. ...Read more

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What is a disease which affects the nervous system?

What is a disease which affects the nervous system?

Too numerous to list: However, classic diseases of brain include strokes, Parkinson's, Alzheimer's, epilepsies, brain tumors, multiple sclerosis, Huntington's disease, etc, and a huge category of medical and metabolic problems which secondarily affect brain function. ...Read more

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Does the autonomic nervous systems (ANS) repair or heal itself particularly in cases of autonomic dysfunction (dysautonomia)? If not, what are some treatments for erectile disfunction caused by dysautonomia?

Does the autonomic nervous systems (ANS) repair or heal itself particularly in cases of autonomic dysfunction (dysautonomia)? If not, what are some treatments for erectile disfunction caused by dysautonomia?

Multiple submissions: Your question has already been answered on this site. I suggest a formal physical examination and if autonomic dysfunction see a neurologist. ED requires further investigation and evaluation. ...Read more

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How can the central and peripheral nervous systems differ in structure?

How can the central and peripheral nervous systems differ in structure?

OK: Central nervous system - brain & spinal cord Peripheral nervous system - all the nerves that come out from the brain and spinal cord. Within the peripheral nervous system you have 'somatic' and 'visceral' nervous systems. Somatic refers to muscle, skeleton, skin. Visceral refers to internal organs. In a nutshell! ...Read more

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Is the nervous system most likely to resemble the a computer network?

Is the nervous system most likely to resemble the a computer network?

Not really: There is some similarity but the brain is much more complex that the most powerful computer. Not only is it processing information at an enormous rate, but it is storing information with what appears to be almost unlimited size and is capable of modifying older stored information on the fly. ...Read more

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Can a venous pathology or a venous clot cause a leg to feel colder or is temperature of the legs only related to issues in the arteries?

Can a venous pathology or a venous clot cause a leg to feel colder or is temperature of the legs only related to issues in the arteries?

Not usually: Usually arterial compromise causes cold extremity where as deep vein thrombosis associated with thrombophlebitis causes warmth to extremity. Venous thrombosis typically manifest pain,swelling,warmth, and redness. ...Read more

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Inflammation of the central nervous system... Could it be possible that it is multiple sclerosis?

Inflammation of the central nervous system...  Could it be possible that it is multiple sclerosis?

Broad term: Inflammation is part of the innate immune response following insults to the body which can spread into the central nervous system (cns). Inflammation within the CNS is part of the pathogenesis of the primary neurodegenerative diseases such as alzheimer's and parkinson's disease. And yes, it is considered to be a part of the way demyelination occurs in multiple sclerosis. I hope this helps. ...Read more