Tingling pain in the lateral nerve of the thigh may be caused by a herniated lumbar disc compressing the nerve, or it may be a symptom of lateral femoral dermatitis. 1. Lumbar disc herniation: Lumbar disc herniation can cause a burst of stabbing pain in the lateral nerve of the thigh, which is due to the rupture of the annulus fibrosus of the lumbar intervertebral disc, the nucleus pulposus tissue protrudes from the rupture or prolapses out of the posterior or vertebral canal, resulting in the adjacent spinal nerve roots being irritated or compressed, which can lead to a burst of stabbing pain in the lateral nerve of the thigh. 2. Lateral femoral dermatitis: Lateral femoral dermatitis may be related to diabetes, obesity, pregnancy and other factors, diabetes leads to peripheral neuropathy, which can lead to a burst of tingling pain in the lateral thigh nerve; obesity or pregnancy may lead to the nerve innervating the lateral thigh is compressed, there will also be a burst of tingling pain in the lateral thigh nerve symptoms. In addition to the factors listed above, other causes may also lead to tingling in the lateral thigh nerve. If the symptoms persist, please consult a doctor to avoid delay.