: induced unintentionally by a physician or surgeon or by medical treatment or diagnostic procedures
iatrogenic illness
iatrogenic injury to a nerve
… obtaining blood from humans is an invasive procedure with inherent risks to the patient such as pain at the needle site and the increased likelihood of acquiring an iatrogenic infection. Tony K. L. Kiang and Mary H. H. Ensom
iatrogenically adverb
iatrogenically induced illness

Examples of iatrogenic 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 study consisted of six patients: five patients were clinically diagnosed with probable sporadic Creutzfeldt-Jakob and one patient was clinically diagnosed with iatrogenic Creutzfeldt-Jakob disease. William A. Haseltine, Forbes, 9 June 2022 Because iatrogenic botulism is relatively rare, the mortality rate is unclear. Beth Mole, Ars Technica, 16 Mar. 2023

Word History

Etymology

Greek iātro-, combining form of iātrós "physician, healer" + -genic — more at -iatry

First Known Use

1920, in the meaning defined above

Time Traveler
The first known use of iatrogenic was in 1920

Browse Nearby Words

Cite this Entry

“Iatrogenic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iatrogenic. Accessed 4 Apr. 2025.

Medical Definition

: induced unintentionally by a physician or surgeon or by medical treatment or diagnostic procedures
iatrogenic nosocomial infection
iatrogenic nerve injury
"Iatrogenic events" were defined using standard criteria as an illness resulting from a diagnostic procedure or therapeutic intervention or any harmful occurrence that was not a natural consequence of the patient's underlying illness (and not present at hospital admission). Sharon K. Inouye et al., The Journal of the American Medical Association
iatrogenically adverb
iatrogenically induced complications
iatrogenicity noun
plural iatrogenicities
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