<s>[INST] I ve had mrsa infections on and off for about 8 yrs. A year ago I learned I have hepatitis c. Six weeks ago I had pyelonephritis, kidney infection. And now at two and 1/2 weeks ago I had mrsa infection that s not completely gone. What am I supposed to do wait for the infection to come to a head again or go to the ER for testing to see if it s the same infection or a new one? [/INST] Hello, As per your clinical history is concerned, please follow like this:1) Do a physical examination by your family Doctor and to confirm do few investigations like [CBC with differential and culture of tissue samples or nasal secretions].2) Your Doctor will add specific antibiotic for the infection and sometimes no antibiotics are required only Chat Doctor. Do follow lifestyle modifications like this:1) Wash your hands. Careful hand-washing remains your best defense against germs. Scrub hands briskly for at least 15 seconds, then  </s>