What Causes Numbness in Both Legs?

Hello, Generally speaking, bilateral leg numbness is invariably related to the nervous system—specifically manifesting as numbness in the lower limbs. The most common underlying causes are lumbar spine disorders (e.g., lumbar disc herniation or spinal stenosis) or cervical spine disorders (e.g., cervical spondylosis). In some cases, patients may experience bilateral lower-limb numbness due to diabetic peripheral neuropathy. However, a history of diabetes can usually be identified in such cases. Moreover, diabetic peripheral neuropathy typically affects the distal extremities (e.g., toes and feet), whereas generalized numbness involving both legs is more commonly attributable to lumbar or cervical spine pathology. We hope this information is helpful. Wishing you a happy and healthy life!