When considerably less common, quite possibly the most critical Unwanted effects of ursodiol are explained below, as well as what to do should they materialize. Nonabsorbed ursodiol passes to the colon in which it is usually seven-dehydroxylated to lithocholic acid. Some ursodiol is epimerized to chenodiol (CDCA) via a https://www.youtube.com/watch?v=A07qHOeWON8