I pill can delay periods orlistat is a lipase inhibitor which used for helping you to lose your weight and also keep it from returning. Orlistat is prescribed for obese individuals and for overweight people who have other health problems such as diabetes, high blood pressure or high cholesterol levels. Orlistat blocks the absorption of dietary fat into the bloodstream, thereby reducing the number of calories you get from a meal. You may use Orlistat together with diet and exercises to get more benefits. Also, note that as long as you take the drug you will get a result. A serious allergic reaction to this drug is very rare, but seek immediate medical help if it occurs. Do not take this medication without doctor advice if you have chronic malabsorption syndrome or gallbladder problems. Do not use Orlistat if your medical history includes kidney stones, have anorexia or bulimia, have diabetes, take cyclosporine, or take any other weight-loss medicine. Weight loss begins within two weeks and continues for years. The effect of using Orlistat for more than 2 years is still unknown. If you have diabetes, weight-loss is likely to reduce your blood sugar levels. Consult to your doctor about the dosage of Orlistat if you’re taking oral diabetes medication or insulin. Orlistat should not be used during pregnancy, becoming pregnancy or lactating. Do not use before breast-feeding without doctor’s permission.