Why does my mouth feel like this? Anxiety?

i im a 19 yr old female..and I just got my wisdom teeth taken out 2 weeks ago..but before that I had a infection in my lymph nodes and still do..my neck has started to feel better but 2 days ago , my whole mouth started having this cold/burning sensation..It's not really painful..just numb,burning and causing alot of discomfort..I have really bad anxiety..and I'm on Amoxicillin 250mg , Vicoden/Norco and Ibuprofen 800..Im also feeling feverish..been to the hospital 3 times in the last 2 weeks..nothing major but a bladder infection and the infection of my lympth nodes..Can someone please tell me why my mouth feels like this?