Aside from a pinched nerve from a disc, other causes of sciatica include irritation of the nerve from adjacent bone, tumors, muscle, internal bleeding, infections in or around the lumbar spine, injury, and other causes. Sometimes sciatica can occur because of irritation of the sciatic nerve during pregnancy.
https://www.medicinenet.com/sciatica/article.htm
Sciatica is a term used to refer to the symptoms that occur when the sciatic nerve is damaged. It is not a separate medical condition but is a general term for the numbness, pain, tingling or weakness experienced in one or both legs by patients who experience damage to the sciatic nerve.
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Sciatica is the term used to depict nerve torment in the backside, legs and feet. It is brought on when the Sciatica nerve – the longest nerve in the body – gets to be distinctly compacted or aggravated. In case you’re enduring with agony that emanates down the back of your leg and into your feet, it could be Sciatica.
https://www.quora.com/What-type-of-doctor-is-the-one-who-treats-sciatic-nerve-pain
What is sciatica? Sciatica is pain, tingling, or numbness produced by an irritation of the nerve roots that lead to the sciatic nerve. The sciatic nerve is formed by the nerve roots coming out of the spinal cord into the lower back. Branches of the sciatic nerve extend through the buttocks and down the back of each leg to the ankle and foot. What causes sciatica?
https://www.webmd.com/back-pain/tc/sciatica-topic-overview
The pain caused by the nerve injury may be severe and persistent for a long period of time. Other possible complications to severe or untreatable sciatic nerve damage include a loss of motion or sensation in the leg and/or recurrent injury to the leg.
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With damage to the sciatic nerve the patient may experience aches, tingling or burning in one or both legs. Pain may be local to one leg or to one side of the leg, hip, calf or soles of the feet, or pain may exist in both legs. When the damage to the sciatic nerve is extreme, patients may be unable to move their legs. When the nerve is damaged, pain may begin slowly and progressively worsen.
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The sciatic nerve is formed by the nerve roots coming out of the spinal cord into the lower back. It goes down through the buttock, then its branches extend down the back of the leg to the ankle and foot. What causes sciatica? The most common cause of sciatica is a bulging or ruptured disc (herniated disc) in the spine pressing against the nerve roots that lead to the sciatic nerve.
https://www.webmd.com/back-pain/tc/sciatica-topic-overview
Sciatica is nerve pain from irritation of the sciatic nerve. The sciatic nerve is the largest nerve in the body. The sciatic nerve begins from nerve roots in the spinal cord in the low back and extends through the buttock area to send nerve endings down the lower limb. Sciatica pain is typically felt from the low back to behind the thigh and radiating down below the knee.
https://www.medicinenet.com/sciatica/article.htm
This is less regular, yet is a potential reason for Sciatica torment. The measure of agony, loss of sensation or shivering can differ contingent upon how much the nerve has been compacted or chafed. The area of the nerve pressure can likewise influence where agony emanates.
https://www.quora.com/What-type-of-doctor-is-the-one-who-treats-sciatic-nerve-pain
While sciatica is most commonly a result of a lumbar disc herniation directly pressing on the nerve, any cause of irritation or inflammation of the sciatic nerve can produce the symptoms of sciatica. This irritation of nerves as a result of an abnormal intervertebral disc is referred to as radiculopathy.
https://www.medicinenet.com/sciatica/article.htm
how does one damage their sciatic nerve?
Sciatica is a term used to refer to the symptoms that occur when the sciatic nerve is damaged.