Suggest Remedy For Rash On Chest, Dizziness And Diarrhea

Hi, I appreciate this website a lot. I just got back from a cruise to the Bahamas on Thursday and I have a rash all over my chest, I am extremely dizzy and I have diaharrea very bad. Also a slight fever. I was told that someone had the measules on the ship but I don t know the symtoms.