: the presence of bacteria in the blood

Note: Bacteremia is often transient and asymptomatic but may be associated with invasion of the bloodstream from a usually localized source of infection (such as a skin wound, indwelling catheter, or urinary tract infection) and can lead to sepsis.

compare septicemia, viremia

Examples of bacteremia in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The clinic adds that untreated cellulitis can lead to other complications as well, including bacteremia (when bacteria enters the bloodstream), toxic shock syndrome and more. Charlotte Phillipp, Peoplemag, 8 June 2024 The strain has also presented as bacteremia and septic arthritis as seen in some of the 2023 cases. Liza Esquibias, Peoplemag, 2 Apr. 2024

Word History

Etymology

New Latin, alteration of bacteriemia, from bacteri- + -emia

First Known Use

1873, in the meaning defined above

Time Traveler
The first known use of bacteremia was in 1873

Browse Nearby Words

Cite this Entry

“Bacteremia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bacteremia. Accessed 30 Mar. 2025.

Medical Definition

bacteremia

noun
bac·​ter·​emia
variants or chiefly British bacteraemia
: the presence of bacteria in the blood

Note: Bacteremia is often transient and asymptomatic but may be associated with invasion of the bloodstream from a usually localized source of infection (as a skin wound, indwelling catheter, or urinary tract infection) and lead to sepsis.

compare septicemia, viremia
bacteremic adjective
or chiefly British bacteraemic

More from Merriam-Webster on bacteremia

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!