Orlistat for Weight Loss
About Orlistat for Weight Loss
Orlistat is a medicine used to help with weight loss in people who are obese, overweight and have weight-related health conditions. It is available as a prescription medication called Xenical, and as a nonprescription (“over-the-counter" or OTC) medicine called Alli. It is typically used in combination with a low-calorie diet. Orlistat works by blocking the absorption of dietary fats in the intestines, which helps to reduce the number of calories that are absorbed by the body.
When taken as directed, orlistat can help obese individuals lose weight and maintain their weight loss over time. It has been shown to be effective in reducing weight, body mass index (BMI), and waist circumference. Additionally, orlistat has been found to have a positive impact on blood lipid levels, which can be beneficial for overall health.
It's important to note that orlistat is not recommended for use in children under 12 years old. Pregnant individuals should also avoid taking orlistat, as weight gain is typically recommended during pregnancy. People who have chronic malabsorption (problems absorbing food), gallbladder problems, or allergies to orlistat or its ingredients should not take this medication.
Before starting orlistat, it's important to talk to your doctor about your medical history and any existing conditions you may have. This includes liver problems, kidney problems, thyroid problems, and eating disorders such as anorexia or bulimia. People with diabetes should also discuss their condition with their doctor before taking orlistat.
Overall, orlistat is a medication that can be used as part of a comprehensive weight loss plan for individuals who are obese. It is important to follow your doctor's instructions and maintain a healthy lifestyle while taking this medication.
How Orlistat Works
When you take orlistat, it forms a bond with the active site of gastric and pancreatic lipase enzymes. This bond prevents the lipases from breaking down dietary fats into absorbable free fatty acids and monoglycerides. As a result, a significant portion of the consumed fat is not digested and absorbed into the bloodstream but is instead passed in the feces.
Because orlistat reduces fat absorption, it can lead to some side effects related to fat passing through your digestive system. These side effects may include flatulence (gas), fecal incontinence (involuntary bowel movements), and oily stools. In some cases, people may also experience a sudden urge to go to the toilet or notice oily stains in their underwear.
It's important to note that orlistat is most effective when used in combination with a reduced-calorie diet and regular exercise. It is not a magic pill for weight loss but can be a helpful tool for individuals who are committed to making lifestyle changes.
Orlistat has been shown to have additional benefits beyond just weight loss. It has been associated with improved lipid profiles, including reductions in total cholesterol and LDL cholesterol levels. It has also been found to improve systolic and diastolic blood pressure, even in individuals with high cardiovascular risk.
Fiber supplements, specifically psyllium fiber supplements, have also been studied for their potential efficacy in weight management. High-fiber dietary patterns are generally associated with improved weight management. Psyllium fiber supplements have been shown to have beneficial effects on weight loss by increasing feelings of fullness (satiety) for several hours after consumption.
How to Take Orlistat Safely
Below is how to use orlistat and some precautions and potential side effects to be aware of.
How to Take Orlistat:
- Take orlistat exactly as prescribed by your doctor.
- Your doctor will tell you the right dosage and when to take it.
- Take orlistat with your meals or up to one hour after your meal.
- If you miss a meal or have a meal without fat, you can skip your dose of orlistat.
- If you take a cyclosporine medicine, take orlistat and cyclosporine at least 3 hours apart.
- If you take a multivitamin, take it at least 2 hours before or after you take orlistat. Bedtime is a good time to take your multivitamin.
- If you take a levothyroxine medicine, take orlistat and levothyroxine at least 4 hours apart.
Precautions:
- Talk to your doctor before taking orlistat if you have any liver problems or kidney problems.
- Let your doctor know about all the medications you are taking, including prescription, over-the-counter, and herbal supplements. Some medications may interact with orlistat and affect its effectiveness.
Potential Side Effects:
- Common side effects of orlistat include oily spotting, flatus with discharge, fecal urgency, fatty/oily stool, oily evacuation, increased defecation, and fecal incontinence.
- Orlistat may lower the absorption of certain vitamins in your body. To prevent this, take a multivitamin containing vitamins A, D, E, K, and beta-carotene once each day. Take the multivitamin at least 2 hours before or after taking orlistat.
- Stop taking orlistat and call your doctor right away if you experience symptoms of liver problems such as loss of appetite, itchy skin, yellowing of the skin or eyes, amber-colored urine, light-colored bowel movements (stools), or pain in the upper right portion of your stomach.
- Call your doctor immediately if you have symptoms of kidney problems like swelling (especially in the legs and feet), little or no urine output, frequent or painful urination, blood in the urine, loss of appetite, nausea and vomiting, or severe pain in the back, belly or groin.
Remember that these are not all possible side effects. If you experience any unusual symptoms while taking orlistat, contact your doctor for medical advice.
It's important to consult with your doctor before starting any new medication or treatment. They will consider your specific situation and provide personalized advice based on your needs.
Medication dosing may be affected by many factors. Check with your health care professional about dosing for your individual situation. Other side effects can occur. Check with your health care professional or read the information provided with your medication for additional side effect information.