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side-effects

 - 3 dictionary results

side effect

–noun
1. any effect of a drug, chemical, or other medicine that is in addition to its intended effect, esp. an effect that is harmful or unpleasant.
2. any accompanying or consequential and usually detrimental effect: the side effects of air pollution.
Also, side-ef⋅fect.


Origin:
1880–85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: side effect
Function: noun
: a secondary and usually adverse effect (as of a drug) side effects> side effect of drowsinesscaused by antihistamines> called also side reaction
Medical Dictionary

side effect n.
A peripheral or secondary effect, especially an undesirable secondary effect of a drug or therapeutic regimen.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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