Belviq (lorcaserin) affects chemical signals in the brain that control appetite. Lorcaserin works by helping you feel full with smaller meals. Belviq is used together with diet and exercise to treat obesity.
Contrave contains a combination of bupropion and naltrexone. Bupropion is an antidepressant medicine that can also decrease appetite. Naltrexone is usually given to block the effects of narcotics or alcohol in people with addiction problems.
Saxenda (liraglutide) is similar to a hormone that occurs naturally in the body and helps control blood sugar, insulin levels, and digestion. Saxenda is an injectable prescription medicine that may help some obese adults or overweight adults