side effect In medicine, a side effect is an effect of the use of a medicinal drug or other treatment, usually adverse but sometimes beneficial, that is unintended. Herbal and traditional medicines also have side effects. A drug or procedure usually use ...

is an effect that is secondary to the one intended. Side effect or side effects may also refer to: *

Side effect (computer science) In computer science, an operation, function or expression is said to have a side effect if it has any observable effect other than its primary effect of reading the value of its arguments and returning a value to the invoker of the operation. ...

, a state change caused by a function or expression * Side effect (medicine), an unintended effect of the use of a drug

Media

* ''Side Effects'' (Allen book), a 1986 collection of short stories by Woody Allen * ''Side Effects'' (TV series), a 1994 Canadian TV series * "Side Effects" (''Ben 10'' episode), a 2006 episode of television series ''Ben 10'' * ''Side Effects'' (Bass book), a 2008 nonfiction book by Alison Bass

Film

* ''Side Effects'' (2005 film), starring Katherine Heigl * ''Side Effects'' (2013 film), directed by Steven Soderbergh * ''The Side Effect'', a 2014 film directed by

Ti West Timon C. West (born October 5, 1980) is an American film director, producer, screenwriter, editor, cinematographer, and actor, best known for his work in horror films. He directed the horror films ''The Roost'' (2005), ''Trigger Man (2007 film), ...

* ''Side Effects'', an Indian romcom film series, including ** '' Pyaar Ke Side Effects'' (2006) ** ''

Shaadi Ke Side Effects ''Shaadi Ke Side Effects'' () is a 2014 Indian Hindi-language romantic comedy film directed by Saket Chaudhary, and starring Farhan Akhtar and Vidya Balan. It is the sequel to the 2006 film '' Pyaar Ke Side Effects''. The film is produced by B ...

'' (2014)

Music

Band

Side Effect (band) Side Effect was an American disco and jazz-funk band, that recorded between 1972 and 1982. The group was formed in Los Angeles, California in 1972 by Augie Johnson who became their leader. Career Side Effect was formed by Augie Johnson and mem ...

, a 1970s soul band ** ''Side Effect'' (album), a 1975 album by R&B group Side Effect * The Side Effects (band), a 1980s indie rock band

Album

* ''Side Effects'' (Dallas Smith album), 2016 ** "Side Effects" (Dallas Smith song) * ''The Side Effects'' (album), a 2019 album by Coldrain

Song

* "Side Effects" (Mariah Carey song), 2008 * "Side Effects" (The Chainsmokers song), 2018 * "Side Effects", a 2019 song by

Stray Kids Stray Kids (often abbreviated to SKZ; ) is a South Korean boy band formed by JYP Entertainment. The band consists of eight members: Bang Chan, Lee Know, Changbin, Hyunjin, Han (musician), Han, Felix (rapper), Felix, Seungmin, and I.N. For un ...

* "Side Effects", a 2023 song by

Becky Hill Rebecca Claire Hill (born 14 February 1994) is an English singer and songwriter. She rose to fame after appearing on the first series of '' The Voice UK'', auditioning with John Legend's " Ordinary People". She joined Jessie J's team and rea ...

and Lewis Thompson

Side reaction A side reaction is a chemical reaction that occurs at the same time as the actual main reaction, but to a lesser extent. It leads to the formation of by-product, so that the Yield (chemistry), yield of main product is reduced: : + B -> By-product A by-product or byproduct is a secondary product derived from a production process, manufacturing process or chemical reaction; it is not the primary product or service being produced. A by-product can be useful and marketable or it can be cons ...

* Causality *

Unintended consequences In the social sciences, unintended consequences (sometimes unanticipated consequences or unforeseen consequences, more colloquially called knock-on effects) are outcomes of a purposeful action that are not intended or foreseen. The term was po ...