STREP THROAT/PHLEGHM/SALIVA AND BLOOD WITH CHEST PAIN LIKE HEARTBURN?

I don't know was wrong with me I've been on antibiotics for five days and my throat hasn't gotten any better I spit constantly I can't swallow or drink anything I phlegm out blood with thick clear and yellow phlegm and I've been feeling nauseous and vomiting accrues headaches fevers and heartburn what do I have IDk I'm going crazy I even went to the emergency room and they gave me steroids day felt ok but know is gone and da pain is back full throttle