misoprostol
noun
mi·so·pros·tol
ˌmī-sō-ˈprä-ˌstōl 
-ˌstȯl
-ˌstȯl
: a synthetic prostaglandin analog C22H38O5 used to prevent stomach ulcers associated with NSAID use and to induce abortion in conjunction with mifepristone
Examples of misoprostol in a Sentence
Recent Examples on the Web
In the 1990s, awaiting FDA approval of mifepristone, researchers began studying methotrexate as a possible agent to combine with misoprostol.
—
Christine Henneberg, STAT, 15 May 2026
It is used in combination with a second drug misoprostol, which induces cramping.
—Los Angeles Times, 14 May 2026
Mifepristone is taken together with a second drug, misoprostol, to terminate an early pregnancy.
—Melissa Quinn, CBS News, 11 May 2026
When misoprostol is used alone, bleeding will typically begin within one to four hours.
—Jen Christensen, CNN Money, 8 May 2026
See All Example Sentences for misoprostol
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Christine Henneberg, STAT, 15 May 2026
It is used in combination with a second drug misoprostol, which induces cramping.
—Los Angeles Times, 14 May 2026
Mifepristone is taken together with a second drug, misoprostol, to terminate an early pregnancy.
—Melissa Quinn, CBS News, 11 May 2026
When misoprostol is used alone, bleeding will typically begin within one to four hours.
—Jen Christensen, CNN Money, 8 May 2026
See All Example Sentences for misoprostol
Cite this Entry
“Misoprostol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/misoprostol. Accessed 23 May. 2026.
Copy CitationMedical Definition
misoprostol
noun
mi·so·pros·tol
ˌmī-sō-ˈpräs-ˌtōl
-ˌtȯl
-ˌtȯl
: a synthetic prostaglandin analog C22H38O5 used to prevent stomach ulcers associated with NSAID use and to induce abortion in conjunction with RU-486
Love words? Need even more definitions?
Merriam-Webster unabridged
