HELLO MY 7 YEAR OLD SON WOKE UP THIS MORNING FINE WENT TO BATHROOM AND THEM HE COME BACK TO BEDROOM COMPLAINING OF A PAIN IN THE BACK OF HIS HEAD. I ASKED IF HE BUMPED IT OR HIT IT ON SOMETHING HE SAID NO THE PAIN JUST CAME ON OUT OF NO WHERE. IT HURT SO BAD HE IS IN TEARS. I GAVE HIM SOME TYLENOL AND HE STILL COMPLAINING OF IT HURTING YOURS LATER. HE DOES NOT WANT TO GET UP AND MOVE FROM THE BED AND KEEPS RUBBING THE BACK OF HIS HEAD. I AM JUST WONDERING SHOULD I RUSH HIM TO THE ER OR WAIT UNTIL MONDAY TO CONTACT HIS DOCTOR?