What causes a slight numbness in the left waist area?

Sep 18, 2024 Source: Cainiu Health
Disease description:

I have recently been experiencing occasional numbness in my left lower back, and I'm not sure what's causing it. The numbness sometimes becomes more noticeable after bending over for a prolonged period. I'm quite concerned and wonder whether this could be a sign of some disease. What are the possible causes of numbness in the left lower back?

Doctor's answer (1)
Dr. Lv Zhiqin

Left lower back numbness may be caused by various factors, commonly including:

1. Nerve compression: Conditions such as lumbar disc herniation and lumbar spinal stenosis can compress nerve roots, causing numbness in the lower back or lower limbs.

2. Improper sitting posture: Prolonged maintenance of poor posture, such as sitting or standing for long periods, may lead to temporary numbness due to impaired local blood circulation.

3. Muscle strain: Excessive fatigue or external trauma, such as falls or long-term heavy lifting, may cause lower back muscle injury, leading to numbness symptoms.

4. Lumbar spine problems: Conditions such as lumbar disc herniation and lumbar spinal stenosis may compress nerve roots, causing numbness in the lower back and lower limbs.

5. Metabolic diseases: Conditions such as diabetes and thyroid dysfunction can affect nerve function, causing limb numbness.

6. Circulatory problems: Vascular diseases such as atherosclerosis and blood clots can impair blood supply, resulting in local ischemia and numbness.

Patients can maintain correct sitting and standing postures and avoid prolonged static positions to alleviate symptoms. If symptoms persist or are accompanied by increased pain, it is necessary to visit a formal hospital for examination.