it can be many things and who knows what. and you need to be tested right now. some could cause severe problems or death.
especially toxins in your work or environment.
Nerve damage in the hands, arm or neck
A herniated disc that puts pressure on the spinal nerves
Nerve pressure caused by tumors, infection, or enlarged blood vessels
Shingles
Herpes infection
Carpal tunnel syndrome, a common condition in which pressure is placed on the nerves in the wrist. This often affects those who use their hands and wrists for work, such as typing.
Hardening of the arteries causing a lack of blood to the area
Poor circulation from diabetes
Stroke
Migraine headaches
Underactive thyroid
Raynaud’s syndrome, which causes artery spasms that reduce blood flow to the hands
Animal or insect bites
Certain medications
Lack of vitamin B12
Abnormal levels of calcium, potassium, or sodium
Excessive alcohol use
Vasculitis
Lyme disease