scared out of my mind

I currently doprn workat localmd' office. I do not draw blood but one of the other lpn does.she carries her blood drawing equipment in a big metal container, she always places this container on the trash can in the exam rooms. while to day i was in a room checking a patient in and the container fell over. I was sitting next to the trash can and i know for a fact that the metal handle hit arm but when i look down there was the sharps container was stairing mein face. i did not think that i was stuck by one of the needles.i went into the bathroom and did not see any puncture mark on my arm, so i went on through the day. once i gothome i notice that my arm was hurting really bad i stiil don't see any bursingor puncture stites but i am scared out of my mind what do you think i should do. i there is anybody up please reply.

thank going out of my mind