It’s not a good week for mainstream drugs! The FDA just announced a study of theirs that indicates taking Xenical and/or Alli may cause severe liver damage.

The FDA did say this is a fairly rare occurrence, but “patients taking the weight-loss medication orlistat, marketed as Xenical and Alli” need to check with their doctors if they get any symptoms of liver damage, including “…itching, yellow eyes or skin, dark urine, loss of appetite, or light-colored stools.”

Here’s the link the FDA article.