It is for adults following a low calorie, reduced fat (not no fat) diet. Orlistat is a lipase inhibitor. It works by blocking absorption of about 25% of the fat in food that you eat. The unabsorbed fat exits the body via the bowel in your stools.Studies have shown it can help people lose more weight than dieting alone. The prescription, and stronger version of Alli is sold under the brand name Xenical.
You must eat some fat at each meal you take the drug. If you consume a fatty meal, you may experience digestive-related discomfort if taking this drug.You may need to take a multivitamin containing fat soluble vitamins A, D, E, and K while on this drug. If so, it should not be taken at the same time as taking the Alli capsule.The higher dose Xenical has been known to cause liver damage. It is imperative to seek medical advice before using this drug.
Do not take Alli if you are:
- have had an organ transplant as it interferes with anti-rejection medication
- take a drug called cyclosporine.
- are not overweight.
- are pregnant or breastfeeding.
You must seek your doctor’s advice if you:
- take a blood thinner such as Warfarin, Aspirin
- are on diabetes medication
- are on thyroid medication
- take any other weight loss drugs
You must inform your doctor if you experience:
- loose, frequent or urgent stools
- pain in the stomach or rectum
- dark-colored urine
- persistent itching
- unrelenting anxiety or fatigue
- changes in your menstrual cycle (menstruating women)
- onset of headaches
You must seek emergency medical care if you experience:
- difficulty breathing or swallowing
- hives or itching
- stomach pain that is severe or does not go away
- jaundice (yellowing of the skin)