Methicillin-resistant staphylococcus aureus (MRSA) is a potentially serious infection that resists this antibiotic used to treat infections. It is usually resistant to many antibiotics. MRSA can affect the skin, blood, bones, or lungs. A person can either be infected or colonized with MRSA.
There are 2 types of MRSA infections:
MRSA can spread several ways:
MRSA is caused by specific bacteria that resist antibiotics. Over time, bacteria adapt to repeated exposure to antibiotics, building up a resistance to them.
Factors that may increase your chance of developing MRSA include:
MRSA may not cause any symptoms in people who are colonized, but not infected, with the bacteria. In those that have symptoms, MRSA may cause:
Your doctor will ask about your symptoms and medical history. A physical exam will be done.
Your bodily fluids and tissues may be tested. This can be done with:
Talk with your doctor about the best treatment plan for you. Treatment options include the following:
Antibiotics are given to kill the bacteria. Only a few antibiotics are available that can treat MRSA. One that will treat MRSA may be chosen based on what usually works and your culture results.
Your doctor may open the abscess and allow the fluid to drain. Do not attempt to do this on your own.
Do the following to treat the infection and to keep it from spreading:
To help reduce your chance of MRSA:
Centers for Disease Control and Prevention
National Institute of Allergy and Infectious Diseases
Public Health Agency of Canada
Barton M, Hawkes M, Moore D, et al. Guidelines for the prevention and management of community-associated methicillin-resistant Staphylococcus aureus: A perspective for Canadian health care practitioners. Can J Infect Dis Med Microbiol. 2006;17(Suppl C):4C.
Methicillin-resistant Staphylococcus aureus (MRSA) infection. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T189788/Methicillin-resistant-Staphylococcus-aureus-MRSA. Updated August 28, 2016. Accessed September 27, 2016.
MRSA decolonization. Aurora BayCare Medical Center website. Available at: https://ahc.aurorahealthcare.org/fywb/baycare/x34012bc.pdf. Accessed August 10, 2015.
Methicillin-resistant Staphylococcus aureus (MRSA) Infections. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/mrsa. Updated August 4, 2015. Accessed August 10, 2016.
MRSA. Nemours Foundation Kids Health website. Available at: http://kidshealth.org/parent/infections/bacterial_viral/mrsa.html. Updated June 2014. Accessed August 10, 2016.
Last reviewed August 2016 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.