Numbness of the fourth toe may be caused by physiological factors, trauma, diabetes, lumbar disc herniation and other factors.
1. Physiological factors: the fourth toe is subjected to prolonged compression, resulting in blood flow obstruction, will cause numbness symptoms, is a normal physiological phenomenon, can be relieved by themselves.
2. Trauma: such as heavy objects, resulting in local nerve damage, can cause the fourth toe numbness, may also be accompanied by local pain, swelling, subcutaneous bruising and other symptoms.
3. Diabetes: prolonged diabetes, unstable blood sugar control, may cause peripheral neuropathy, it is easy to cause numbness of the toes, accompanied by drinking, eating, urinating, fatigue and other symptoms.
4. Lumbar disc herniation: may be related to lumbar degenerative changes and trauma and other factors, can lead to the nerves innervating the lower limbs are compressed, it is easy to cause the fourth toe numbness, accompanied by lower limb pain, lumbar pain and other symptoms.
The fourth toe numbness, exclude physiological factors, it is recommended to medical examination and treatment, clear reasons for symptomatic treatment.