There is a potential, rare occurrence of liver failure in people who take the weight-loss medications Xenical or Alli, according to the Food and Drug Administration (FDA).
The active ingredient in both of these drugs is orlistat. Xenical(orlistat 120 mg) is a prescription product. Alli (orlistat 60 mg) is sold over-the-counter without a prescription.
What Consumers Should Do
Contact your health care professional immediately if you experience itching, yellow eyes or skin, dark urine, loss of...