Side effect (disambiguation)
Side effect is an effect that is secondary to the one intended.
Side effect may also refer to:
- Therapeutic effect, an unintended but desirable consequence of medical treatment
- Adverse effect, an unintended and undesirable consequence of medical treatment
- Unintended consequence, an effect that is unforeseen, regardless of type or quality
- Externality, an economic term for the effects of a transaction on parties who did not make the original agreement
- Side effect (computer science), a state change caused by a function or expression
- Side Effects (film), starring Katherine Heigl, a satirical look at the pharmaceutical industry
- Side Effects (anthology), a collection of short stories by Woody Allen
- Side Effects (TV series), a Canadian TV series
- The Side Effects, a 1980s indie rock band
- Side Effect, a 1970s soul band
- Side Effects (album), a 2006 album by X-Wife
- "Side Effects" (song), a 2008 song by Mariah Carey featuring Young Jeezy on her album E=MC²
- Side Effects (book), a 2008 nonfiction book by Alison Bass