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Doctor insights on: What Causes Swelling Of The Optic Nerve

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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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What are the main causes of optic nerve damage.

What are the main causes of optic nerve damage.

see details: Multiple sclerosis is a common cause. Other causes include trauma, infection, emboli (blood clots), vascultis or infarctions. ...Read more

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What can thickening of the optic nerve indicate?

What can thickening of the optic nerve indicate?

Nonspecific: Hi! Lots of things to consider; what symptoms prompted you to get the scan? Any change in vision? Sinus pain or congestion? Bone pain elsewhere in your body? Headaches? Fever? I would definitely recommend close follow-up with a physician to do careful examination of your eyes and head/neck. ...Read more

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What are the causes of damage to the ulnar nerve from surgery?

What are the causes of damage to the ulnar nerve from surgery?

Often compression: During surgery, the arms and legs must be arranged in a fashion to prevent compression of the nerves. Since anesthetics are used during surgery, the arms and the legs can compress themselves if the surgery is a decent length. When nerves are compressed, numbness and weakness may follow. Stretching also may occur during surgery, this may also result in mild damage. ...Read more

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What virus causes swelling of the brain?

What virus causes swelling of the brain?

Many viruses: Brain swelling is an inflammatory response to local infection, and a classic is herpes encephalitis, but can also see with West Nile, and equine encephalitis, as a few examples. ...Read more

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What causes inflammation of the brain?

What causes inflammation of the brain?

Brain inflammation: Can be cauysed by infectious or autoimmune (collagen-vascular) conditions, or some other brain insult. For example edema or inflammation surrounding a bleed or tumor. ...Read more

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What are the symptoms of spine nerve damage?

What are the symptoms of spine nerve damage?

Yes: It can cause pain , weakness , numbness , burning pain, spasm, or coldness or other more bizarre symptoms in the innervated areas., see a doctor if you have those symptoms. ...Read more

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What causes swelling of the knee?

What causes swelling of the knee?

Arthritis: Arthritis, such as osteoarthritis is the most common cause. There are several other conditions including gout and lymes disease to name a few examples that may cause swelling. See a dr. For an evaluation and get your cause diagnosed and treated. Best wishes. ...Read more

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What is the history of optic neuritis?

What is the history of optic neuritis?

Short term for most: I am going to assume you mean its normal clinical course, not how it was discovered. On is an inflammation of the nerve that causes a rapid drop in vision and color discrimination over a few days with vision recovery in 2-3 weeks for most. Repeat episodes (as in ms) can cause incremental on damage and vision reduction. Iv or oral steroids are sometimes used to treat on. ...Read more

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What actually causes the symptoms of neuritis?

What actually causes the symptoms of neuritis?

Neuritis not simple: An irritated nerve will produce symptoms of pain in the nerve area, and may cause weakness as well. Usually this term is used to specify a neurve related painful condition. However, sometimes the problem is in the brain and it only seems like it is in a nerve. Vestibular neuritis is a misnomer, the problem is usually in the inner ear. Brachial plexitis is also a neuritis. ...Read more

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What causes the swelling of the feet?

What causes the swelling of the feet?

Water and gravity: Our bodies have a large amount of water needed to keep organs functioning. The vessels that carry the fluids are not perfect and they can leak. Also, our tissues have a certain amount of water to stay moist and pliable. Gravity works to pull the fluids down towards the feet even in healthy people. It will worsen as the day progresses. Treatment is compression socks/elevation. Avoid water pills. ...Read more

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What are the signs of optic neuritis?

Pain,visual loss: Pain is usual in the affected eye and is aggravated by eye movement. Visual loss is commonly progressive, though initially it is blurring of vision. This may progress to a field/altitudinal defect. The pupil may be dilated and sluggish to react to light. Loss of visual acuity varies from none to loss of perception of light. Good visual acuity is regained after the initial attack, with exceptions. ...Read more

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What are the complications of optic neuritis?

What are the complications of optic neuritis?

Optic neuritis: The main complication of optic neuritis is loss of vision. If the optic neuritis is associated with multiple sclerosis many 'complications' are possible. For a more detailed explanation, see: http://en.Wikipedia.Org/wiki/optic_neuritis it may also be related to spinal cord disease, in neuromyelitis optica, in which case weakness or paralysis may also occur. There are also other causes. ...Read more

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What causes swelling of the lower?

What causes swelling of the lower?

Lower extremity : Swelling may result from different things such as problems with the veins or lymphatic system, systemic conditions like high blood pressure or heart failure, and trauma like sprains and fractures. A visit to your primary care physician or podiatrist may help to uncover the cause. If the swelling is sudden and in only one extremity, a you should see your doctor immediately to rule out a blood clot. ...Read more

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Meningitis is swelling of meninges. What causes the symptoms of meningitis? What is the swelling affecting?

Meningitis is swelling of meninges. What causes the symptoms of meningitis? What is the swelling affecting?

Inflamed membanes: Meningitis is an inflammation of the membranes surrounding the brain and spinal cord. It is usually due to an infectious agent, like a bacteria, virus or fungus. It can also rarely be caused by drugs. Symptoms often include fever, headache, stiff neck and sleepiness or lethargy. An evaluation of the cause is needed to guide treatment, which may involve antibiotics as well as supportive care. ...Read more

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What is the inflammation of the root of a spinal nerve?

What is the inflammation of the root of a spinal nerve?

see below: A spinal nerve (root) is a large nerve bundle that leaves the spine at regular intervals, right and left. Inflammation can occur anywhere in the body. Think of a bee sting, with pain, swelling and sensitivity. Inflammation of the nerve root, causes pain close to the spine, and along the route of the nerve. Epidural steroid injections are sometimes used to place anti-inflammatories into the spine. ...Read more

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What causes inflammation of the brain and seizures?

What causes inflammation of the brain and seizures?

Seizures: Infections such as encephalitis or meningitis, vasculitis or cerebritis from autoimmune conditions like lupus, certain toxidromes, metabolic problems, and even trauma can produce inflammation/swelling of the brain and seizures. ...Read more

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What are the symptoms of optic neuritis?

Optic neuritis: Usually painful loss of vision. You can find a good description here: http://www.Mayoclinic.Com/health/optic-neuritis/ds00882/dsection=symptoms. ...Read more

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Dr. David Schleimer
1,498 doctors shared insights

Swelling (Definition)

Swelling is the enlargement of organs, skin, or other body parts. It is caused by a buildup of fluid in the tissues. The extra fluid can lead to a rapid increase in weight over a short period of time (days to weeks). Swelling can occur all over the body (generalized) or only in one part ...Read more


Optic Nerve (Definition)

The optic nerve receives input from the retina and transmits information to the optic chasm and ultimately the occipital lobe of brain so that images can be ...Read more