Generic Name: orlistat (OR-li-stat)
Brand Name: Alli

Alli is used for:

Managing obesity in overweight adults. It may also be used to reduce the risk of weight regain after previous weight loss. It is used along with a reduced-calorie, low-fat diet.

Alli is a gastrointestinal lipase inhibitor. It works by blocking the digestion of fats from the diet.

Do NOT use Alli if:

  • you are allergic to any ingredient in Alli
  • you are pregnant
  • you are not overweight
  • you have bile flow problems (eg, cholestasis) or problems absorbing food (malabsorption)

Contact your doctor or health care provider right away if any of these apply to you.

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Before using Alli:

Some medical conditions may interact with Alli. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have an eating disorder (eg, anorexia, bulimia)
  • if you have a history of gallbladder, kidney, liver, pancreas, or thyroid problems; diabetes; seizures; or kidney stones
  • if you are taking medicine for diabetes or thyroid problems, or if you take any other medicines for weight loss
  • if you have received an organ transplant

Some MEDICINES MAY INTERACT with Alli. Tell your health care provider if you are taking any other medicines, especially any of the following:

  • Anticoagulants (eg, warfarin) because the risk of bleeding may be increased
  • Cyclosporine, medicines used to treat seizures; or thyroid hormones (eg, levothyroxine) because their effectiveness may be decreased by Alli

This may not be a complete list of all interactions that may occur. Ask your health care provider if Alli may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Alli:

Use Alli as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • An extra patient leaflet is available with Alli. Talk to your pharmacist if you have questions about this information.
  • Read the chart on the medicine package. You may consider starting Alli if your weight is the same or more than the weight shown for your height. Talk to your doctor or pharmacist if you have any questions.
  • Take Alli by mouth with each meal. Do not take more than 3 capsules daily.
  • If a meal is missed or contains no fat, do not take a dose of Alli.
  • Alli may decrease your absorption of vitamins. Take a multivitamin once a day at bedtime.
  • If you also take a thyroid hormone (eg, levothyroxine), do not take it within 4 hours before or after taking Alli. Check with your doctor if you have questions.
  • If you also take cyclosporine, do not take it within 3 hours before or after taking Alli. Check with your doctor if you have questions.
  • If you miss a dose of Alli, skip the missed dose. Continue to take it as directed by your doctor or on the package label.

Ask your health care provider any questions you may have about how to use Alli.

Important safety information:

  • Do NOT take more than the recommended dose without checking with your doctor. Taking more than the recommended dose may not help you lose more weight. It may increase your risk of side effects.
  • Proper diet and exercise are important in order to lose weight and keep it off. Follow the diet and exercise program given to you by your health care provider.
  • Alli may cause changes in your bowel or stool (eg, gas with oily spotting, loose stools, more frequent stools). Eating a low-fat diet may help lessen these side effects.
  • Tell your doctor or dentist that you take Alli before you receive any medical or dental care, emergency care, or surgery.
  • Medicines used to treat seizures may not work as well while taking Alli. Call your doctor right away if your seizures happen more often or get worse while taking Alli.
  • Diabetes patients - Alli may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
  • Rarely, some patients taking Alli have developed severe liver problems. Contact your doctor right away if you experience yellowing of the skin or eyes, dark urine, pale stools, unusual weakness, loss of appetite, or severe or persistent nausea.
  • Alli should not be used in CHILDREN younger than 18 years old; safety and effectiveness in these children have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: Do not take Alli if you are pregnant. Avoid becoming pregnant while you are taking it. If you think you may be pregnant, contact your doctor right away. It is not known if Alli is found in breast milk. If you are or will be breast-feeding while you take Alli, check with your doctor. Discuss any possible risks to your baby.

Possible side effects of Alli:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Diarrhea; frequent or loose stools; gas with discharge; oily spotting; trouble controlling bowel movements.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, throat, or tongue; unusual hoarseness; wheezing); black, tarry, or bloody stools; bloody urine; decreased, frequent, or painful urination; new or unusual back or groin pain; severe or persistent stomach pain (with or without nausea and vomiting); swelling of the legs and feet; symptoms of liver damage (eg, yellowing of the eyes or skin, dark urine, pale stools, loss of appetite, severe or persistent nausea).

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.

Proper storage of Alli:

Store Alli between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Alli out of the reach of children and away from pets.

General information:

  • If you have any questions about Alli, please talk with your doctor, pharmacist, or other health care provider.
  • Alli is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take Alli or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Alli. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Alli. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Alli.

Issue Date: July 2, 2014
Database Edition 14.3.1.001
Copyright © 2014 Wolters Kluwer Health, Inc.

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

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