Causes of leg numbness in the elderly 1, factors of malnutrition
Long-term gastrointestinal dysfunction and reduced food intake will lead to the lack of adequate protein and vitamins. In particular, the lack of B vitamins will lead to the obstruction of nutrient metabolism, slow nerve conduction, peripheral neuritis and radiculopathy, and numbness of hands and feet. The elderly usually need to strengthen diet conditioning to make the diet easy to digest and promote absorption.
2. Factors of arteriosclerosis
Suffering from cerebral arteriosclerosis, the nerve conduction speed will slow down, the local blood supply and oxygen supply to the brain will also decrease, and it will also lead to central dysfunction. In particular, the dysfunction of ischemia and hypoxia in the central part can cause numbness in the corresponding limb parts. This kind of hand and foot numbness often has the characteristics of unilateral and paroxysmal. With the improvement of vascular condition, numbness symptoms can naturally improve or disappear after several hours or days. Individual patients with numbness on one side, if accompanied by weakness in the same limb, need to be hospitalized in time to avoid developing hemiplegia.
3. Side effects of drugs
People with multiple diseases at the same time will also take multiple drugs at the same time. Among them, sulfonamides, furazolidone, furazolidone, ofloxacin and other antibacterial drugs, remifentanil, ethambutol and other anti-tuberculosis drugs, vinpocetine and other chemotherapy drugs may induce neuritis and limb numbness if the dosage is too large or the medication time is too long. This kind of numbness usually starts from hands and feet, and then gradually spreads upward, and is often accompanied by hypersensitivity or abnormal sensation, so the dosage of such drugs should be strictly controlled.
4. Factors of keeping a fixed posture for a long time
Keeping a fixed posture for a long time can easily lead to poor blood circulation and paralysis of nerve endings. After a long time, hands and feet will feel numb. In this case, as long as you do something in time, you can return to normal in a short time.
5. Cold weather factors
Our bodies will be sensitive to the outside temperature. In the cold environment beyond the sensitivity of human body, the sensory nerves of hands and feet will fail, resulting in numbness and unconsciousness of hands and feet. If the freezing time is too long, it will cause permanent tissue necrosis in this part.
6. Self-pathological factors
Stroke, rheumatism, hypoglycemia, diabetes, vascular muscle contracture and other diseases will cause numbness in the hands and feet of the elderly. In addition, if the elderly suffer from cerebral arteriosclerosis, on the one hand, the facial nerve conduction speed slows down, on the other hand, the local blood supply and oxygen supply to the brain decrease, and the central function is damaged, which will cause numbness in the corresponding limb parts.
How is the numbness and pain in the thigh? 1, benign numbness of lower limbs.
It will disappear automatically with the changes of patients' mood, diet, weather and exercise state, and it will not last for a long time, usually it will disappear in 2-3 days.
2. Malignant numbness of lower limbs
The main characteristics of malignant numbness of lower limbs are persistence and progression. The main manifestation is numbness of the lower limbs, which will last forever and cannot disappear on its own; And with the increase of time, the degree of numbness becomes more and more serious.
How can I change my posture immediately when my leg is numb? You can walk for a few minutes in a small area. If you feel numbness in your left leg, raise your right hand 10 second, then put it down and repeat for 3 times. If the right leg is numb, raise your left hand, and the numbness can be alleviated. Change your walking posture, such as walking? In eight characters? , so that different muscles can be balanced and numbness can be reduced; Rubbing and hot compress the numb parts can also eliminate numbness.
Whether you are standing or sitting, you should keep the correct posture. Don't keep the same posture for too long. It is best to change it every few minutes. Do more leg exercises such as jogging and swimming. In addition, diseases such as hyperosteogeny, lumbar disc herniation and lumbar muscle strain can also affect peripheral nerves and cause numbness in legs and feet. If you often feel numb in your legs and feet, it is recommended to seek medical advice in time.
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