Objective: Orlistat (tetrahydrolipstatin) is an intestinal lipase inhibitor
that was approved recently for the management and treatment of obesity. Th
is is the first report of the misuse of orlistat in two normal-weight purgi
ng bulimia nervosa (BN) patients. Method and Results: We report two diagnos
ed cases of BN in two Spanish women who used orlistat as a purging mechanis
m after binge episodes. In both cases, the onset of the eating disorder was
in adolescence. From the beginning, a restrictive diet, binging, and purgi
ng behavior (vomiting and using laxatives) were present. Both patients misu
sed this substance as their only purging mechanism after every binge episod
e. Conclusion: BN patients have used many substances and bizarre behaviors
as purging mechanisms. Nevertheless, to the authors' knowledge, these are t
he first reported cases of orlistat misuse as the only purging mechanism in
two BN patients. (C) 2001 by John Wiley & Sons, Inc.