fever blister

English

Etymology

Compound of fever +‎ blister,[1] likely for an association with fever or other illness.

Noun

fever blister (plural fever blisters)

  1. A cold sore, an outbreak of vesicles caused by herpes simplex viral infection, especially when recurring during another illness that causes fever.

References
  1. “fever, n.”, in OED Online ⁠, Oxford: Oxford University Press, March, 2019.
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