The "Skinny Pen" refers to a weight-loss medication called liraglutide (brand name Saxenda) that is administered through a daily injection. It works by mimicking a hormone that regulates appetite, helping patients feel fuller for longer. This treatment is often used for individuals who struggle with obesity but are not candidates for surgery or who need additional help in managing their weight post-bariatric surgery. The drug is available by prescription and is used in conjunction with diet and exercise.

Sleeve surgery is another term for the gastric sleeve procedure, where most of the stomach is removed to help patients achieve significant weight loss. The procedure is less invasive than other forms of bariatric surgery, like the Roux-en-Y bypass, but still offers dramatic weight-loss results.

When comparing lap band and gastric bypass, the key difference lies in their mechanisms. The lap band restricts food intake by placing an adjustable band around the stomach, while gastric bypass both restricts food intake and alters digestion by rerouting part of the intestines. Gastric bypass typically leads to more rapid and significant weight loss but carries a higher risk of complications.

A gastroenterologist is a specialist in diagnosing and treating diseases of the gastrointestinal tract, including the stomach, intestines, liver, pancreas, and gallbladder. Common conditions treated include IBS, Crohn's disease, and gastritis. They play a critical role in the care of patients post-bariatric surgery, helping manage complications and ensuring proper digestion.