fenolfitaleyn

laksatiftir aynı zamanda. ancak hayvan deneylerinin sonuçlarına dayanılarak, ilacın olası kanserojen özelliği nedeni ile bugün amerika'da kullanılmamaktadır. (bkz: fda)
türkiye'de ise yine aynı amaçla kullanılmaktadır halen. ilginç...

"(...) in 1997, the fda proposed to reclassify phenolphthalein as a category ii ingredient, or an ingredient "not generally recognized as safe and effective." this proposal was based on animal data that indicated a potential cancer risk. further analysis of the available data resulted in the conclusion that genotoxic effects occur within the potential range of dosage for phenolphthalein during human laxative use. in january 1999, the fda formally banned phenolphthalein from otc laxatives, moving phenolphthalein and danthron to category ii ingredients.(...)"
mdconsult.com - drug monograph.