I am 20 yr old female. i know i don't have carpel tunnel but i have an unexplained pain that's sharp in my wrist it feels like its in my veins

Find out: If it is unexplained so far, it is very likely that further internet research will be of benefit. Have an expert take a look. You may also need an x-ray or some blood work. My wrist hurts sometimes with change in weather, even young people can have transient arthritis type pains in their joints.

Tendonitis : Sharp pain in the wrist in young person most often due to tendinitis. There are other potential causes such as wrist sprains and ligament injuries. Best to be evaluated by hand specialist.