What are the symptoms of sciatic nerve? What are the symptoms of sciatica?

Sciatica refers to radiating pain along the distribution of the sciatic nerve, mainly in the buttocks, posterior thighs, posterolateral calves, and dorsolateral feet. The clinical manifestations are pain in the distribution area of the sciatic nerve, mainly in the buttocks, posterior thighs, posterolateral calves, and dorsolateral feet, with obvious radiating pain; It causes lumbar scoliosis, limited lumbar movement, local tenderness, positive straight leg raise test, paresthesia in the lower limbs, decreased muscle strength, abnormal reflexes, etc.

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Sciatica can cause low back pain, buttock pain, lower limb pain and paresthesia and other manifestations, which should be related to lumbar muscle strain, lumbar fibrosis, and buttock fibrositis.

Clinical manifestations of sciatica.

The disease is more common in young men and adults, and it is more unilateral. The severity and duration of pain are often related to ** and the severity of onset.

1. Radicular sciatica.

Onset varies from ** to **. The most common lumbar disc herniation is acute or subacute onset of exertion, bending over, or strenuous activity. A small number have a chronic onset.

The pain often radiates from the waist to one side of the buttocks, behind the thighs, the n-fossa, the outside of the calves and the feet, and is a burning or knife-like pain, which can be exacerbated by coughing and exertion, and worse at night. In order to avoid nerve traction and compression, patients often take special ones.

Pain-reducing postures, such as lying on the unaffected side when sleeping, hip and knee flexion, and focusing on the unaffected side when standing, cause scoliosis over time, bend to the unaffected side, and sit into the hip and tilt to the unaffected side to reduce the compression of the nerve root. Stretching of the sciatic nerve can induce or worsen pain, such as a positive Kernig sign (the patient lies supine, bends the hip and knee at right angles, and then raises the lower leg. Knee extension is limited to less than 130 degrees due to spasm of flexor muscles, with pain and resistance);

Positive straight leg raise test (Lasegue sign) (leg pain caused by supine lying with lower limbs extended and affected limbs raised less than 70 degrees). Tenderness may occur in sciatic nerve pathways, such as the lumbar point, gluteal point, national point, ankle point, and plantar point. Numbness and hypoesthesia are common on the lateral calf and dorsum of the foot in the affected limb.

Gluteal muscle tone is relaxed, and the thumb extension and flexor pollux muscles are weakened. Achilles tendon reflexes are diminished or absent.

2. Dry sciatica.

The onset of illness also varies from one case to another. If it is induced by cold or trauma, it is more acute onset. Pain often radiates from the buttocks to the posterior thighs, posterolateral calves, and lateral feet.

Pain worsens with walking, moving, and traction of the sciatic nerve. The tender point is below the gluteal point, Lasegue's sign is positive and Kernig's sign is often negative, and scoliosis is often bent to the affected side to reduce traction on the sciatic nerve trunk.

**Western**.

1. Bed rest:

In particular, in the early stage of intervertebral disc herniation, the symptoms of 3-4 weeks of hard bed rest are relieved spontaneously.

2. Drugs**:

Western medicines: analgesics, B vitamins, and short-course corticosteroids taken orally may be beneficial for recovery.

Traditional Chinese medicine: Topical patches, such as Jiyutang (ischial shun Gu Anyu, paste) have a good ** effect on sciatica.

3. Physiotherapy: ultra-short wave**, erythema ultraviolet irradiation can be used in the acute stage**. In the chronic phase, short-wave** direct current iodidotophoresis can be used.

The symptoms of sciatica are roughly divided into three conditions, one is because of external trauma, or because of the pain caused by the cold, there will be occasional pain, and the disease **is also very easy**, most of the cases are painful sensations on one side, and rarely both sides are painful. Then there is the generalized pain, which is manifested by the back and waist, which gradually feels stiff and numb, and the pain gradually worsens, and slowly causes it to the waist and buttocks. Finally, the back of the thighs and the outside of the calves, including housewives, will feel pain, paroxysmal pain, and the pain will be a little worse in the middle of the night.

The typical symptom of sciatica is radiating pain in one or both lower extremities, sometimes combined with numbness, and may manifest as pain in the lower back, buttocks, back of the thighs, posterolateral calves, and dorsolateral feet.

Typical symptoms. The symptoms of sciatica are mainly numbness and weakness of the lower limbs on the affected side, and the activity is affected, there is tenderness and radiating pain along the sciatic nerve path, and the pain is mainly in the buttocks, the back of the thigh, the posterolateral side of the calf and the outside of the foot, especially when the leg is raised, there is pulling pain, and in severe cases, the affected limb muscle atrophy and walking phenomenon may occur.

ComplicationsIf the lumbar intervertebral disc herniation is severe, and the cauda equina nerve and dural compression are obvious, in addition to sciatica, it may also lead to cauda equina syndrome, which is mainly manifested as lower limb dysfunction and urinary and urinary dysfunction.

Early detection, early diagnosis, and early diagnosis of sciatica are important for improving symptoms and preventing complications, and patients with suspected clinical manifestations of sciatica should seek medical attention in time to confirm the diagnosis.

Patients with sciatica may have the following symptoms: First sciatica may present with significant pain in the legs, inner thighs, and posterolateral calves; Second, if the pain is paroxysmal or persistent, patients with sciatica may cough and sneeze. Thirdly, patients with severe pain may be in characteristic postures, such as bending the lower back, bending the knees, and landing on toes. If you have symptoms of sciatica, it is recommended to go to a regular medical institution to find a professional doctor in time**.

Sciatica usually presents with pain in the buttocks, back of the thighs, and posterolateral of the calves. Patients may feel a slight tingling, dull ache, numbness, or burning sensation. In some cases, the worsening of the pain can make it difficult to walk.

Pain can be paroxysmal or persistent, and is usually triggered by coughing, sneezing, bending over, stretching, squatting, and defecating.

The pain is distinctly local, mainly in the buttocks, posterior thighs, posterolateral calves, and lateral feet.

The pain is usually dull in nature, but it can also be burning or pinprick-like pain, which may be accompanied by numbness. The pain is mostly radiant and runs down the buttocks down to the lower legs.

Sciatica is a syndrome in which pain predominates the area innervated by the sciatic nerve and is a clinical symptom rather than a separate condition. Sciatica is divided into primary and secondary; Primary rare, i.e., sciatic neuritis; Secondary diseases are common and involve the sciatic nerve in local and peripheral tissues, such as lumbar disc herniation, lumbar vertebra bony hyperplasia, inflammatory diseases of the sacroiliac joint, and piriformis contracture.

** Approach to Sciatica.

In order to effectively achieve the purpose of sciatica, then we should first choose vitamin B, analgesics, of course, we should also actively accept **, such as choosing the way of external Chinese medicine, and the outpouring of treasure 'Jiyutang, ischico, Shungu, An, Yu, Tie' relief. The effect of choosing a diet therapy is also better, and a hot water bottle should also be used if necessary.

Symptomatic manifestations of sciatica.

1. Knife-like pain.

When sciatica attacks, there is a knife-like pain at the attack site, which will be aggravated when coughing or exerting force, and the pain at night is stronger than during the day, and even a special rest posture is needed to relieve the pain at rest.

2. Stiffness and discomfort in the waist.

When sciatica attacks, there will be a stiffness in the lower back, and the stiffness in the lower back will make people feel soreness and weakness in the lower limbs, and the legs will be uncoordinated when walking, and there will be a feeling of weakness and weakness on cotton. At the same time, it will also affect the upper limbs, feel weak in the hands, and it is easy to lose the lifting objects.

3. Limp. This is an external manifestation of sciatica when it develops to a serious point, often the patient does not pay attention to it in the early stage of sciatica, so that it is not timely or not, so that the disease progresses to the point that the patient can not walk normally, and can only walk like a cripple to relieve the knife-like pain. And when I checked it, I even had symptoms of muscle wasting.

Precautions. Sciatica can pay attention to rest, try to avoid cold fatigue and strenuous exercise, avoid sitting and bending over for a long time, correct and improve posture, straighten the lower back, and apply hot compresses twice a day for about 20 minutes each time.

The symptoms of sciatica are mainly pain, numbness, and discomfort in the back of the thigh, back of the calf, and outside of the thigh. Generally, conservative and safe are not selected, such as external application of sciatica Shungu Anyu and patch can lead to sciatica, mainly including lumbar disc herniation, lumbar spinal stenosis, lumbar spondylolisthesis, lumbar spondylolisthesis, and tumors around sciatic nerve. Lumbar disc herniation, lumbar spinal stenosis, and lumbar spondylolisthesis are all caused by herniated discs, hypertrophic bone, or hypertrophic ligamentum flavum compressing nerve roots, resulting in pain, numbness and other symptoms of the sciatic nerve.

The first manifestation: frequent numbness in the legs. In general, many people who maintain one position for a long time will easily feel numbness in their legs.

For example, when the human body has difficulty excreting, it will take a long time, and some people will even use it for more than half an hour to an hour. Occasional numbness is normal, but the numbness increases in frequency and becomes frequent, and it may be an early manifestation of sciatica. The second manifestation:

Pain in the lower back. In particular, many people who work indoors all day and use computers have lower back pain. Because you are staring at the computer all the time and always maintaining a position for a long time, the spine and lower back will be affected, because the spine and lower back have been compressed.

There are also some people who usually have bad habits, they have been lowering their heads to play with their mobile phones, and their necks will feel sore after a long time, but if they don't do some exercise to relieve the soreness, it is easy to cause cervical spondylosis. The third manifestation: pain in the legs.

Sciatica usually manifests itself as a burst or a constant, sometimes frequent coughing or sneezing, and in severe cases, a little pain in a part of the body. Leg pain is also the most common, and it can occur when you walk or change from one position to another, and it is not accidental, if you have symptoms, you should go to the hospital as soon as possible**.

Sciatica is mainly caused by the compression of the nerve roots by the herniated disc in the lumbar spine, which is composed of multiple nerve roots, and the herniated disc may occur in one or more stages, compressing the respective nerve roots and causing sciatica. The location of sciatic nerve pain depends on the area innervated by the nerve root, and numbness and pain may occur in the area innervated by nerve root compression. If the compression of the sensory nerve is mainly numbness, and if the compression is mainly on the motor nerve, movement disorder will occur over time.

When the sensory nerve is compressed severely, you may feel very severe pain in addition to numbness. Therefore, sciatica is mainly manifested as pain on the lateral and posterior sides of the lower leg, as well as the dorsum of the foot, dorsolateral foot, and lateral plantar of the foot, and numbness is also in this area.