A Part of the University of Maryland Medical Center

Connect with UMGCC
Facebook Twitter YouTube Blog iPhone
Email PageEmail page Print PagePrint page

Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Opioide de efecto rápido

Rapid-onset opioid (… OH-pee-OYD)
A substance that acts quickly to treat moderate to severe pain. Opioids are like opiates, such as morphine and codeine, but are not made from opium. Opioids bind to opioid receptors in the central nervous system. A rapid-onset opioid is a type of alkaloid.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.