I had a molar removed painful and not healing. swab test in tooth extraction hole revealed I have serratia marcescens. Oral surgeon ordered levaquin. Scared went to a new oral surgeon, he said since I have been on antibiotics for more than four months do not take new antibiotic. I am scared!!! Dont really have any serious symptoms. bad taste in mouth funny colored tongue. follow up with new dr this monday.Please help.

Summarized question: What are the treatments for serratia marcescens infection?