What is the meaning of Side_effect?

An unintended consequence, or secondary result, of any action, in addition to the main or intended consequence of that action.

  1. An unintended consequence of a drug or therapy; usually an adverse effect, not a beneficial effect.

    An unintended consequence of a drug or therapy; usually an adverse effect, not a beneficial effect.

    A change in state outside of the local environment of the function being called.

    Source: wiktionary.org