A small piece of skin on the foot without sensation is considered to be caused by trauma, local neuritis and other factors.
1. Trauma: localized trauma on the feet, such as local bleeding, pressure and other conditions can affect the blood supply of the local cutaneous nerves, hypesthesia occurs.
2. local neuritis: refers to a variety of factors triggered by a single or multiple neuroinflammatory lesions, can lead to patients with motor, sensory and autonomic dysfunction, so when the feet appear local neuritis, can also be caused by a small piece of skin on the feet of the phenomenon of no sensation.
There are many reasons for the lack of sensation in a small piece of skin on the foot, it is best to go to the hospital in a timely manner, under the guidance of the doctor to carry out reasonable treatment.