Assertion: phenolphthalein | /r/ObjectUse | used in laxative
Facets:
value: widely
type: DEGREE
Source sentences:
text: Phenolphthalein was used widely in over-the-counter laxatives, but in 1999 the U.S. Food and Drug Administration banned its use in such medicines because animal studies indicated that it may cause cancer in humans.
text: Phenolphthalein has been used as a laxative agent, as it can cause significant irritation to the large intestine.