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orlistat (generic name)

Alli (brand name)

(OR li stat): A peripherally acting antiobesity agent - Orlistat (OR li stat) is used to help obese people lose weight and keep the weight off while eating a reduced-calorie diet
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Orlistat Oral capsule

What is this medicine?

Orlistat (OR li stat) is used to help obese people lose weight and keep the weight off while eating a reduced-calorie diet. This medicine decreases the amount of fat that is absorbed from your diet.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take this medicine with each main meal that contains about 30 percent of the calories from fat or one hour after the meal. Do not take your medicine more often than directed. If you occasionally miss a meal or have a meal without fat, you can skip that dose of this medicine.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed. While this drug may be prescribed for children as young as 12 years for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it within one hour following the meal that contains fat. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

  • cyclosporine
  • dietary supplements like beta-carotene and vitamins A, D, E, and K
  • thyroid medicine
  • warfarin
  • This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

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Last Updated

July 14, 2009

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