eosinophilia
noun
eo·sin·o·phil·ia
ˌē-ə-ˌsi-nə-ˈfi-lē-ə 
: abnormal increase in the number of eosinophils in the blood that is characteristic of allergic states and various parasitic infections
Examples of eosinophilia in a Sentence
Recent Examples on the Web
While some diseases, like seasonal allergies, asthma, and autoimmune diseases, are known to cause eosinophilia, or an abnormally high number of these cells, the role of eosinophilia in chronic pain hasn’t been well explored.
—
New Atlas, 13 Oct. 2025
Liver damage can cause hypersensitivity reactions, including eosinophilia (too many white blood cells), fever, and rash.
—Ayesha Gulzar, Verywell Health, 10 Mar. 2025
But a doctor later handling the case ruled out DRESS because Izzy didn’t appear to have eosinophilia — abnormally high levels of a type of white blood cell that is a common marker of DRESS, according to Tolliver.
—Katherine Ellison, Washington Post, 27 July 2024
One, a 29-year-old male in Minnesota, sought care for a mysterious illness marked by fever, severe muscle pains, swelling around his eyes (periorbital edema), high levels of infection-fighting white blood cells (eosinophilia, a common response to parasites), and other laboratory anomalies.
—Beth Mole, Ars Technica, 23 May 2024
Keed’s cause of death was attributed to natural causes due to eosinophilia, the Los Angeles County medical examiner-coroner confirmed at the time.
—Daniel Kreps, Rolling Stone, 8 Mar. 2023
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New Atlas, 13 Oct. 2025
Liver damage can cause hypersensitivity reactions, including eosinophilia (too many white blood cells), fever, and rash.
—Ayesha Gulzar, Verywell Health, 10 Mar. 2025
But a doctor later handling the case ruled out DRESS because Izzy didn’t appear to have eosinophilia — abnormally high levels of a type of white blood cell that is a common marker of DRESS, according to Tolliver.
—Katherine Ellison, Washington Post, 27 July 2024
One, a 29-year-old male in Minnesota, sought care for a mysterious illness marked by fever, severe muscle pains, swelling around his eyes (periorbital edema), high levels of infection-fighting white blood cells (eosinophilia, a common response to parasites), and other laboratory anomalies.
—Beth Mole, Ars Technica, 23 May 2024
Keed’s cause of death was attributed to natural causes due to eosinophilia, the Los Angeles County medical examiner-coroner confirmed at the time.
—Daniel Kreps, Rolling Stone, 8 Mar. 2023
Cite this Entry
“Eosinophilia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eosinophilia. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
eosinophilia
noun
eo·sin·o·phil·ia
-ˌsin-ə-ˈfil-ē-ə
: abnormal increase in the number of eosinophils in the blood that is characteristic of allergic states and various parasitic infections
called also acidophilia
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