I had 4 wisdom teeth removed, given precautionary Amoxicillin. After taking 5 days developed side reaction hives all over the body, pain the throat., white patches on pharyngeal walls. Went to ER , given prednisone tabs and motrin. Next day hives got worse throat pain even worse went to ER again.. Given IV Prednisone. And new antibiotic Doxycycline 100mg.. After 2 days of taking it hives remained the same but felt very week developed fever 101, couldn't swallow even saliva due to pain.. Came back to ER!!! They wont do blood work, prescribed additional steroids Dexamethasone 4mg and additional antibiotics Erythromycin.. Please please help!! Is this the treatment? What else could if be? What other diagnostics can be considered!?