What causes fingernail numbness?

The causes of numbness of finger nails are finger injury, cervical spondylosis, lack of certain trace elements, small arterial embolism and so on.
1. Finger injury: finger cuts or contusions can stimulate the peripheral nerves of the fingers, finger numbness and other symptoms.
2. Cervical spondylosis: patients with cervical spondylosis can compress the brachial plexus nerves, resulting in abnormal sensations such as numbness and coldness of the fingers.
3. Lack of micronutrients: Calcium deficiency in the human body leads to hypocalcemia, which may cause twitching of the hands and feet, numbness and pins and needles in the perioral area of the mouth and fingers. Sodium deficiency in the human body can appear weakness, dizziness and numbness in the hands and feet.
4. Small artery embolism: small artery embolism, causing peripheral nerve ischemia, numbness of the fingers.
Fingernail numbness may also have other pathological factors, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.