Fingers numbness is an abnormal sensation that’s caused by a change in sensory nerve function.
Numbness of the fingers typically is a result of conditions that affect the nerves and/or blood vessels that supply the fingers.
There's many causes of finger numbness such as :
1. Diabetes mellitus which leads to peripheral neuropathy.
2. Multiple sclerosis.
3. Carpal tunnel syndrome.
4. Raynaud's phenomena (narrowing of the blood vessels, usually in the hands and feet).
7. Pressure on the nerves of the cervical spine by herniated disk.
8. Vitamin B12 deficiency and malnutrition.
9.Pressure on peripheral nerve.
Diagnosis & Treatments depends on the causes.