my sister went to dentist today for an abcess and the gave her vicidine well really hydrocodone and she really feels sick its been an hour seen she has took it and the pain did go away for that hour but now its back and she feels dizzy, nauseas, left arm is numb and hurting a little bit and heart feels funny. is this a bad side affect? should she go to the hospital? shes really tired and even scared to fall asleep. what should she do. she has only took 1 pill n i think it was 500mg.