nocebo

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no·ce·bo

 (nō-sē′bō)
n. pl. no·ce·bos or no·ce·boes
A substance that causes undesirable side effects as a result of a patient's perception that it is harmful rather than as a result of a causative ingredient.

[Latin nocēbō, I will harm, first person sing. future tense of nocēre, to harm (on the model of placebo); see nek- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
nocebo
References in periodicals archive ?
Some may choose to narrow their focus and include such example issues as medication adherence (American College of Preventive Medicine, 2011), the explicit use of placebos or unintentional use of nocebos (Brody, 2000; Schenk, 2008), or the integration of preventive messages (such as tobacco cessation) on their own Q-Lists (Pine, Sullivan, Conn, & David, 1999).
Subsequent chapters address placebo design, active placebos, and other design features for identifying, minimizing, and characterizing placebo response; psychological processes that can bias responses; the case for changing the term "placebo effect"; effects in complementary and alternative medicine; meta-analyses and experimental studies; the role of desire, expectation, and reduced negative emotions in placebo anti-hyperalgesia in irritable bowel syndrome; placebo, pain, and surgery; placebo interventions for pain; how communication between clinicians and patients may impact pain perception; nocebos in daily clinical practice; recommendations for pain management; and ethical issues.
Sleep paralysis: nightmares, nocebos, and the mind-body connection.
Section Four, "Essays and Commentaries," examines aromatherapy and essential oils and homeopathy, the placebo effect, and herbs as a token and nocebos. Problems with herbal therapies and objectives in herbal medicine also are examined.
Second, placebos can cause adverse side effects (when they do, they're called nocebos).
When "nocebos," the opposite of placebos, are given and patients are told that they will probably get worse, symptoms intensify.
He covers topics like treatment options, osteoporosis, placebos, and "nocebos."
Just as much as someone could get better with the placebo effect, the opposite can happen through what's called the nocebo effect, when someone believes that they will get worse or will die from a disease.
Placebo and nocebo effects are prevalent topics in current research, especially in the domain of pain, where they can be investigated comparatively easily and serve as a model for other systems (e.g., immune, motor, and respiratory systems [1]).
However, placebos produce therapeutic benefits and, though not fully understood, both the placebo response and its lesser-known opposite, the "nocebo effect," offer valuable insights into managing chronic diseases such as MS.