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A 44-year-old member asked:

how can mrsa get in the bloodstream?

2 doctor answers2 doctors weighed in
Dr. Andrew Gentry
Gastroenterology 20 years experience
From skin: Mrsa is a type of staff aureus bacteria that is resistant to the penicillin type antibiotics. Staff aureus lives on everyone and usually just hangs out on the skin and nice warm moist spots like groin arm pits nose if the bacteria gets access to the blood stream like a bad skin infection or less commonly a cut on the skin it can get to blood stream and cause a blood infection.
Dr. Tony Ho
Dr. Tony Ho answered
Infectious Disease 14 years experience
Line or skin: Mrsa (like all staph aureus) lives on the skin, so anything that breaks the integrity of the skin (be it a cut/scrape or an IV line) can introduce it into the bloodstream. This also includes direct injection, such as in IV drug use. Finally, a more rare cause would be a severe alternative infection focus, such as pneumonia.

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Last updated May 20, 2017
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