Mom has systemic mrsa--what is this?

Resistant Staph inf.: This is likely MRSA or methacillin resistant staphylococcus aureus. This is a strain that is resistant to a drug that normally kills this. The best drug for this is likely vancomycin and there are instances of resistance to this as well. For a patient with systemic disease, like your mom, high doses of antibiotics are given and isolation is done to stop its spread.

MRSA in Blood & Body: Staphylococcus aureus frequently present human skin & respiratory passages, especially nose. Mrsa merely means resistant multiple abs. Control of this bacteria, as with all, a function of immune system. Sa most commonly a commensal bacteria, but if systemic can be fatal & very hard to tx. Dietary choices, activities, emotions & any internal control affecting staph & immune function can change.