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Besides dyspnea, sharp and one-sided chest pain is typical.12
Anaphylaxis is a life-threatening allergic reaction to a trigger (e.g., food, medicine, or insect stings).—Colleen Doherty, Verywell Health, 28 Oct. 2025
Word History
Etymology
borrowed from Latin dyspnoea, borrowed from Greek dýspnoia, from dýspnoos, dýspnous "short of breath" (from dys-dys- + -pnoos, nominal ablaut derivative from the base of pnéō, pneîn "to breathe") + -ia-ia entry 1 — more at sneeze entry 1