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Sciatica is a set of sensations or changes that includes numbness, a tingling sensation, weakness or pain in the leg that is caused by pressure or injury to the sciatic nerve. Sciatica is not a disorder, but rather a symptom caused by another medical problem. Causes The sciatic nerve is the humane body’s longest nerve, which starts from the lower spine, and runs through the buttocks and hips down the back of the legs. When the sciatic nerve is damaged due to pelvic injury or fracture, it may give rise to sensations or changes of sciatica. Sometimes, a slipped disc, spinal stenosis or a tumor growth may put pressure on the sciatic nerve giving rise to the sensations or changes of sciatica. Symptoms The sensations or changes of sciatica may vary substantially based on the cause of the problem. Sometimes, there may be a mild tingling or burning sensation or a dull ache. In a lot of cases, there may be moderate to severe pain, making it difficult for a person to even move their body. Most often, the pain occurs on either one side of the body depending on whether the right or the left sciatic nerve was affected. There may be a sharp pain in one region of the hip or leg and numbness in the nearby regions. These sensations may likewise travel to the back of the calf on the affected leg or the sole of the same foot. Patients may feel weakness in the affected leg. While the pain starts tardily in most cases, it may get worse while sitting or standing, or when exerting lung pressure while coughing or sneezing. People suffering from spinal stenosis would oftentimes feel pain when walking for a few yards, or when bending backwards. Sometimes, the pain may get more intense at night. Diagnosis A physical examination is done to determine the cause of the symptoms. The examination might disclose difficultness in bending the knee or moving the foot, weak or unnatural reflexes, or pain when lifting the leg from a horizontal position, off the surface of the examining table. If the pain is severe, further and added tests including MRI, X-ray or blood tests may be done to determine the cause of the symptoms. Treatment Since sciatica is only a symptom that is caused by another medical condition, the underlying cause needs to be in the right manner diagnosed and treated to alleviate the sensations or changes of sciatica. In a lot of people, the sensations or changes of sciatica mechanically vanish as recovery happens on it is own. In other cases, conservative treatment is provided to address the symptoms. Application of ice or heat to the affected area may minimize the pain. Pain relievers like acetaminophen (Tylenol) and ibuprofen (Advil, Motrin IB) which are over-the-counter medications may also provide relief. While strenuous action will have to be avoided, finish bed rest is not advisable. The body will have to receive a sure amount of exercise to heighten the flexibleness of the spine and to beef up the abdomen. The physician might also administer injections to decrease the pain by reducing the inflammation around the sciatic nerve.
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