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Xenical® (Orlistat) is used together with dietary changes to treat obesity. It works by reducing the body’s absorption of fats.
Taken in a dose of 120 mg three times a day with meals, approximately 30% of oral fat intake is excreted in the stool. A mean weight loss of 2.9–3.4% is observed after one year of orlistat.
If you miss a dose, take it as soon as you remember if it is within one hour after your last main meal that contains fat. Take your next dose at the usual time. Do not take two doses to make up for the missed dose.
Consult your healthcare professional if the symptoms do not go away or become bothersome.
Inform your healthcare professional if:
This medication may reduce the absorption of fat soluble vitamins (A, D, E, K) and can cause low vitamin levels in rare cases, if taken continuously for a long time. You can take vitamin supplements that contain vitamin A, D, E and K to make sure you get enough nutrition.
You should eat a well-balanced diet and split your fat intake evenly over your three main meals. To find out more about planning a well-balanced diet, talk to your healthcare professional or dietitian.
Taking orlistat with a meal that contains a lot of fat may increase your chance of experiencing side effects such as bloating or oily, fatty stools. Avoid taking fatty food between meals.
If you are taking any multivitamin supplement, space orlistat at least two hours before or after taking the supplement.
Inform your healthcare professional if you are taking the following medication:
The above information answers some common questions about this medicine. It does not contain all the available information. It also does not take the place of talking to your doctor or pharmacist.