Intermittent Thumb Pain A Piece Of Metal Was Slide Under My Entire Thumbnail Removing It. What Can I Do About The Pain?

A piece of metal was slide under my entire thumbnail removing it. What can I do about the pain? - intermittent thumb pain

In an accident with a piece of metal in my thumb and slide all the way to my ankles. The division into two nails, a piece fell and the other bent to hold immediately. Now I am in a constant throbbing pain, which is in terrible intermittent stabbing pain when I run my thumb. Is there anything I can get to a pharmacy or pain, I go to the doctor?