Potomac horse fever

noun

Po·​to·​mac horse fever pə-ˈtō-mək- How to pronounce Potomac horse fever (audio) -mik- How to pronounce Potomac horse fever (audio)
: an often fatal disease of horses that is marked by fever, loss of appetite, diarrhea, and laminitis, that is caused by a bacterium of the genus Ehrlichia (E. risticii), and that was discovered in the region of the Potomac River in Maryland but is much more widespread

called also Potomac fever

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Cite this Entry

“Potomac horse fever.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Potomac%20horse%20fever. Accessed 14 Jun. 2024.

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