Abrupt withdrawal, the sudden stop in taking medication or ending an addiction, can trigger negative physical and psychological effects. There are many synonyms for this medical term, including sudden cessation, rapid discontinuation, immediate discontinuance, and sudden ending. These words are often utilized by medical professionals and researchers in academic articles and studies that discuss the effects of abrupt withdrawal on patients. Additionally, some non-medical synonyms include abrupt stoppage, sudden break-off, and unexpected ending. Regardless of the word choice, the consequences of abrupt withdrawal can be severe and caution should always be taken when stopping medication or ending an addiction.