"contrave combines drugs that were used for alcohol, smoking, and opioid cessation. people lose weight on it because it also helps control over-eating. i have no doubt that most obesity is caused from sugar/carb addiction, which is just as powerful as any drug. i have been taking it for five days, and the good news is, it seems to go to work immediately. i feel hungry before i want food now. i really don&#039;t care to eat; it&#039;s just to fill my stomach. since i have only been on it a few days, i don&#039;t know if i&#039;ve lost weight (i don&#039;t have a scale), but my clothes do feel a little looser, so maybe a pound or two. i&#039;m hoping that after a few months on this medication, i will develop healthier habits that i can continue without the aid of contrave."