One foot may be cold, pressure and other physiological factors caused by limb cold, may also be lumbar spine disease, lower limb vascular disease, neuropathy and other pathological factors.
1. Physiological factors: if the cold weather can lead to cold limbs, or improper posture leads to lower limb pressure, can cause lower limb blood circulation disorders, blood supply shortage peripheral nerve symptoms, or peroneal nerve compression, causing a foot numbness and cold symptoms.
2. Lumbar spine disease: commonly seen in lumbar disc herniation and other degenerative diseases that stimulate or compress the nerves or nerve roots in the spinal canal, resulting in sensory abnormalities in the innervated area, the patient may experience numbness and coldness in one foot.
3. Lower extremity vascular diseases: common diseases include lower extremity arterial embolism, venous thrombosis, etc. Insufficient blood supply to one side of the patient’s foot can cause the patient to feel localized numbness and coldness.
4. Neuropathy: such as diabetes-induced peripheral neuropathy, pyriformis syndrome caused by sciatic nerve inflammation, neurofibroma and other diseases, patients can appear a foot numbness and cold symptoms.
One foot numbness and coolness may also have other reasons, if the rest, warmth or change posture after the symptoms are still not relieved, it is recommended that patients go to the hospital in a timely manner, improve the examination to determine the cause of the disease, to give targeted treatment or treatment.