Single toe numbness consider lumbar disc herniation, peroneal nerve entrapment, diabetic neuropathy, peripheral neuritis, and other causes.
1. Lumbar disc herniation: lumbar disc compression of the nerve can appear in the lower limbs of the radiating pain, numbness, lumbar spine MRI can be a clear diagnosis.
2. Peroneal nerve compression: due to trauma or poor posture caused by peroneal nerve compression, nerve edema, numbness of the toes, do electromyography can be clear.
3. Diabetic neuropathy: when diabetes has a long course, neuropathy can occur, and abnormal sensation in the toes, numbness or ankylosis can occur.
4. Peripheral neuritis: Peripheral neuritis caused by trauma, strain or poisoning can cause numbness in the toes.
Numbness of a single toe needs to be examined in the hospital to clarify the cause of the disease and treatment.