<s>[INST] Monday I received a shot for allergies, Thursday my nose, and cheeks stole up and turned bright red. Friday is was givin a shot of ammoxacillion. Saturday My eyes have almost swollen shut and the glands in my throat are also swollen, went back to the doctor and received a shot of Benadryl and pain medicine for my head which is now non stop pounding.is this an allergic reaction or a sinus infection? [/INST] Hello, Welcome to Chat Doctor, The symptoms what you are having looks like a severe bacterial infection causing upper respiratory tract infection. The symptoms are severe and as it is not coming down by the treatment, he MAU require parental antibiotics for which admission to the hospital is required. The antibiotics like I V Autoclave along with other medicines like antipyretic and antihistamines helps to control the symptoms. Thank you. </s>