Xenical is a medication that helps manage body weight by interfering with the absorption of dietary fats. Its active ingredient orlistat works by inhibiting pancreatic lipase enzymes that break down triglycerides in the intestine. By reducing the amount of fat digested the drug lowers overall caloric intake and supports weight loss when combined with a balanced diet and exercise. The medication is classified as an obesity treatment that targets the gastrointestinal tract rather than systemic metabolism. Physiologically it decreases the formation of fatty acids and monoacylglycerols which are essential for the development of adipose tissue thereby limiting fat storage. Consequently the drug assists individuals in achieving modest weight reduction and can improve related health metrics such as blood lipid levels and blood pressure.

Xenical is a medication classified as a lipase inhibitor used to treat obesity. Its therapeutic role is to reduce the absorption of dietary fats in the gastrointestinal tract. The drug works by binding to pancreatic lipase enzymes and preventing them from breaking down triglycerides. As a result, dietary fats are not hydrolyzed and are excreted unchanged in the stool. This mechanism limits the amount of calories derived from fat and supports weight management. Xenical is formulated for oral administration and is taken with meals that contain fat. The inhibition of lipase activity is specific and does not affect other digestive enzymes. The resulting decrease in fat absorption leads to a modest reduction in overall energy intake.

Xenical can cause gastrointestinal discomfort such as oily spotting. It may lead to changes in stool consistency including oily discharge. Some users report abdominal pain during treatment. The medication can reduce the absorption of fat soluble vitamins. This effect may result in potential vitamin deficiencies over time. Headache and dizziness are among the reported side effects. Changes in bowel habits are common among users. These reactions are generally mild and often diminish with continued use.

Xenical can cause oily spotting that results from undigested fat being excreted. It may increase the frequency of bowel movements in some users. Abdominal discomfort or cramps can occur after taking the medication. Some individuals experience flatulence due to the altered digestion process. Headaches and fatigue are also reported less commonly. These effects are generally mild and may improve with continued use.