Two EEs were changing out the screens at Rotex 5186. In the process of removing a screen the injured EE received burns on forearms. 1st AID measures were taken by plant personnel, recommended by Axiom Medical Service. Subsequently, EE was seen by MD for follow up evaluation on 9/18/19. The MD would not allow the EE return to work on EE's next assigned work day of 9/19/19