The "pins and needles" thing sounds like you're having a problem with a pinched nerve, but the rest sounds like something that is a little more alarming. You should get to a doctor as soon as possible.
Pinched nerve in shoulder or c-spine
Normally comes from a pinched nerve in the neck.
carpel tunnel sindrome.
The shoulder is superior to the hand, it cannot be classified as distal or proximal.
The brachial plexus is a network of nerves that runs from the spinal cord to the shoulder, arm, and hand. It is responsible for transmitting signals between the spinal cord and the upper limbs, including the fingers.
Yes.
Maybe germs? They're sometimes in the dirt, sometimes in fingers, but teeth and necks? I'm not sure.
Clicking your fingers refers to the action of snapping your fingers together to create a sharp sound. This is usually done by quickly bringing your thumb and another finger (usually the middle finger) together, causing friction and producing the clicking sound. It is often used to get someone's attention or as a form of expression or rhythm.
Carpal tunnel can effect from your fingers to your shoulder.
at night i have painful cramping and sometimes numbness in my fingers and toes
Osmosis (whatever) causes cells to go in your fingers. Causing your fingers go wrinlky . I may be wrong (I've copied.)
Arthritis?