MRSA Tests Test
A MRSA test checks for MRSA bacteria in a sample from your nose or a wound. MRSA is a type of staph bacteria that is resistant to many common antibiotics.
What this test measures
A MRSA test looks for MRSA bacteria in a sample of fluid or tissue from your body. The sample is often taken from your nose or a wound.
What your results mean
Reference ranges vary by laboratory and by your age and sex. MedlinePlus does not publish a single normal range for this test — always read your result against the range printed on your own lab report and discuss it with your provider.
Higher-than-normal results
If your results are positive, it means you have a MRSA infection. Treatment will depend on how serious the infection is.
Frequently asked questions
What does MRSA stand for?
MRSA stands for methicillin-resistant Staphylococcus aureus.
How is a MRSA test done?
A MRSA test looks for MRSA bacteria in a sample of fluid or tissue from your body. The sample is often taken from your nose or a wound.
Can you have MRSA without symptoms?
Yes, you could have MRSA and not have any signs or symptoms. This is called being 'colonized' with the bacteria.
How does MRSA spread?
MRSA spreads through contact with contaminated objects, sharing personal items like towels or razors, close personal contact with an infected wound, or sharing contaminated needles.
What happens if a MRSA infection is not treated?
If it's not treated, a MRSA infection may become more serious. If the bacteria spreads to your bloodstream, it can be dangerous and you need quick medical treatment.
Related lab tests
Sources
- MedlinePlus: MRSA Tests — NIH MedlinePlus
Last updated . Information is aggregated from official public sources and is not a substitute for professional medical care.