What causes leg numbness while walking?

Generally, leg numbness while walking may be caused by improper posture, excessive physical activity, neuritis, multiple sclerosis, lumbar disc herniation, and other related conditions. Symptomatic management such as general treatment and medication may be needed. If discomfort persists, it is recommended to seek timely medical advice for appropriate treatment. Detailed explanations are as follows:

1. Improper Posture

Maintaining the same posture for a prolonged period can cause leg muscle tension, compress nerves, and hinder nerve conduction, resulting in leg numbness. This condition usually improves after changing posture. It is recommended to stretch the leg muscles appropriately to promote blood circulation and relieve nerve compression.

2. Excessive Physical Activity

Excessive exercise or a sudden increase in activity level can overload the leg muscles, leading to the accumulation of metabolic byproducts such as lactic acid, which may impair nerve function and cause leg numbness. This is often accompanied by symptoms such as muscle pain and stiffness. It is recommended to gradually increase physical activity and avoid sudden increases in intensity. Heat or cold compresses may help relieve muscle fatigue.

3. Neuritis

Neuritis can be caused by infections or metabolic and nutritional disorders. Neuritis damages nerve fibers, disrupts nerve conduction, and causes leg numbness, which may be accompanied by leg pain, weakness, or muscle atrophy. It is recommended to take medications such as Oryzanol tablets, Mecobalamin tablets, and Dexamethasone Acetate tablets under a doctor's guidance.

4. Multiple Sclerosis

Multiple sclerosis is primarily caused by a combination of factors, including autoimmune responses and viral infections. In this condition, the immune system mistakenly attacks the myelin sheath of nerves, impairing nerve signal conduction and causing leg numbness. As the disease progresses, symptoms such as muscle weakness and visual impairments may occur. It is recommended to follow medical advice to use medications such as Glatiramer Acetate Injection, Dimethyl Fumarate Enteric-coated Capsules, and Teriflunomide Tablets to alleviate symptoms.

5. Lumbar Disc Herniation

Lumbar disc herniation is mainly caused by long-term strain, trauma, cold exposure, and other factors. The protrusion of the lumbar intervertebral disc compresses the nerve roots, causing abnormal nerve conduction and leg numbness. It is often accompanied by symptoms such as lower back pain, and pain in the buttocks and thighs. It is recommended to take medications such as Gentongping Granules, Yaotongning Capsules, and Duhuo Jisheng Pills under a doctor's guidance.

It is recommended to maintain proper posture in daily life, keep the head up and chest forward, walk with moderate steps, avoid excessive bending or hunching, and reduce pressure on the leg nerves.