The index finger of the left foot should refer to the left side of the second toe, numbness may be physiological factors, lumbar spondylosis, peripheral neuritis and other factors.
1. Physiological factors: for example, the left foot has been subjected to prolonged compression, resulting in impeded blood flow, which will cause numbness symptoms, is a normal physiological phenomenon, after lifting the compression can be improved on its own.
2. Lumbar spondylosis: for example, lumbar disc herniation, can lead to the nerve innervating the lower limbs are compressed, will cause the left side of the second toe numbness, accompanied by numbness of the lower limbs, lower limbs, radiating pain, lumbar pain and other symptoms.
3. Peripheral neuritis: may be related to diabetes, drinking alcohol for a long time and other factors, can lead to damage to the peripheral nerves, will cause numbness of the left side of the second toe, may also be accompanied by tingling, burning sensation and other symptoms.
The left side of the second toe numbness, ruled out the physiological factors, it is recommended to seek medical examination and treatment as soon as possible, to avoid aggravation of the lesion.