side effect

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side effect

1. An unpleasant symptom experienced while taking a particular medication. Often plural. Unfortunately, nausea is a common side effect with this drug. Ugh, I had so many side effects that I had to stop taking that medication.
2. By extension, an unexpected result or consequence of something. Having to drive my little sister all over the place is an annoying side effect of living at home again.
See also: effect, side
References in periodicals archive ?
A side effect of the Rodriguez-Jones timesharing at third base is that neither is available to be the designated hitter.