Been in hospital over 2months with pneumonia and flu, was told my mouth and turn. Became very red and stung ,had black spotws on it. A awful mess, of sores, then put on a resp for 19 days. In rehab now for 30 days I think the pro. With my mouth is coming back, it is beginning to burn ,swelling never new what it could be, worried about it please help!! Thank you Dr.