nocebo effect

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nocebo effect (nō·sēˑ·bō ·fektˑ),

n effect from an inert substance that causes symptoms of ill health because of the patients' beliefs. Opposite of the placebo effect.
References in periodicals archive ?
There will some relatives and friends who induce more of a nocebo effect for you.
Nocebo effects also occur frequently in clinical trials.
A substantial quantitative nocebo effect on performance in the informed no treatment/received no treatment condition was observed by Foad et al.
The nocebo effect can be accompanied by what is called "secondary gain.
Nocebo effect The undesirable side effects that a person experiences as a consequence of taking a dummy drug.
A new study published in Science Translational Medicine documents this nocebo effect.
However, perhaps one of the most intriguing aspects of the placebo effect is the possibility that it interacts with biological/ mechanical factors to augment their respective action (or possibly, in the case of the nocebo effect, to limit those actions), as opposed to working in isolation in the absence of any real biological/mechanical effect.
This may be the underlying mechanism of placebo and nocebo effects of medications and other therapies.
These are not the same as nocebo effects, which are the responses to a substance believed by the subject to be able to cause harm.
Much as the naloxone reduces placebo effects, CCK antagonists blunt nocebo effects.