The common causes of numbness in the big toe are: 1, lumbar disc herniation: the most common, because the nerves in the lower limbs branch out from the nerve roots of the lumbar spine, so when there is a problem with the lumbar spine and compression of the nerves, it can cause symptoms of numbness in the toes; 2, jamming of the dermal nerve at the big toe: it may cause numbness in the toes due to the pressure on the nerve in the big toe; 3, diabetic peripheral neuropathy: long-term poor control of diabetes can lead to The numbness of the limbs is generally manifested as symmetrical numbness of the limbs, like the feeling of wearing gloves or socks; 4. Stroke: numbness and weakness of the limbs can be manifested in the presence of stroke, which should be taken seriously, especially in patients who usually have some underlying diseases.
The less common causes of numbness in the toes are: 1. peripheral neuritis, often as part of a systemic, systemic disease, accompanied by other systemic symptoms, seen in vitamin B deficiency, poisoning, drug side effects, connective tissue disease, central nervous system, metabolic disease, etc., which can present with symmetrical glove-like numbness; 2. long-term alcohol consumption: some long-term alcohol drinkers with vitamin deficiency can present with limb numbness.