nocebo effect

noun

Definition of nocebo effect

: the development of adverse side effects or worsening in the condition of a patient that occurs in response to medical treatment but cannot be considered due to the specific treatment used With a nocebo effect, if test subjects believe there may be side effects, they often experience them. Again, expectations shape reality.— Sanjay Gupta

Examples of nocebo effect in a Sentence

Recent Examples on the Web Marino, who watched the video, told the San Diego Union-Tribune a nocebo effect could explain Faiivae's reaction since his symptoms did not suggest an overdose. Miriam Fauzia, USA TODAY, 25 Aug. 2021 The psychology of myalgias involves the nocebo effect, the flip side of the placebo effect. Richard Klasco, New York Times, 1 June 2018 The researchers also pinpointed areas of the brain that seemed to be involved in the nocebo effect overall. Beth Mole, Ars Technica, 9 Oct. 2017 Patients may have panicked and attributed other health problems or perceived side-effects—the nocebo effect—to the new drug. Beth Mole, Ars Technica, 4 Oct. 2017 In an accompanying editorial, pain and placebo expert Luana Colloca says the findings show that nocebo effects may skew clinical trial data and patient’s adherence to drugs. Beth Mole, Ars Technica, 9 Oct. 2017 Physicians should be aware of the placebo and nocebo effects when describing medications to patients, says Per Aslaksen, a psychologist at the University of Tromsø in Norway who researches the placebo effect and who wasn’t involved in the work. Michael Price, Science | AAAS, 5 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nocebo effect.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of nocebo effect

1969, in the meaning defined above

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The first known use of nocebo effect was in 1969

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Cite this Entry

“Nocebo effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nocebo%20effect. Accessed 5 Dec. 2021.

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More Definitions for nocebo effect

nocebo effect

noun

Medical Definition of nocebo effect

: the development of adverse side effects or worsening in the condition of a patient that occurs in response to medical treatment but cannot be considered due to the specific treatment used With a nocebo effect, if test subjects believe there may be side effects, they often experience them. Again, expectations shape reality. — Sanjay Gupta, Chasing Life: New Discoveries In The Search For Immortality …, 2007 The placebo effect has an evil twin: the nocebo effect, in which dummy pills and negative expectations can produce harmful effects.— Helen Pilcher, New Scientist, 16 May 2009

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