for more serious MRSA infections, antibiotics that may still work include vancomycin, trimethoprim-sulfamethoxazole, linezolid, tetracycline, or clindamycin
. In your case, if a culture and sensitivity test was done and it showed it is sensitive to a particular antibiotic, this may treat the infection. It is important to finish the full course of antibiotics prescribed, even if you feel better before the final dose. This is to prevent the development of further drug resistance in the bacteria.