Generic Name: megestrol (meh JESS trol)
Brand Name: Megace, Megace ES

What is Megace (megestrol)?

Megestrol is a man-made chemical similar to the female hormone progesterone.

Megestrol is used to treat loss of appetite and weight loss in people with acquired immunodeficiency syndrome (AIDS). Megestrol is also used in the treatment of advanced breast cancer and endometrial cancer.

Megestrol may also be used for purposes not listed in this medication guide.

What is the most important information I should know about Megace (megestrol)?

Megestrol can harm an unborn baby or cause birth defects. Do not use megestrol if you are pregnant. Use birth control to prevent pregnancy.

Slideshow: 2013 Drug News Round-Up - Top 20 Stories

What should I discuss with my healthcare provider before taking Megace (megestrol)?

You should not use megestrol if you are allergic to it, or if you are pregnant.

To make sure megestrol is safe for you, tell your doctor if you have:

  • diabetes;

  • an adrenal gland disorder; or

  • a history of stroke or blood clot.

FDA pregnancy category X. This medication can harm an unborn baby or cause birth defects. Do not use megestrol if you are pregnant. Tell your doctor right away if you become pregnant during treatment. Use effective birth control and follow your doctor's instructions about how long to prevent pregnancy after your treatment ends.

It is not known whether megestrol passes into breast milk or if it could harm a nursing baby. You should not breast-feed while taking megestrol.

How should I take Megace (megestrol)?

Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.

Shake the oral suspension (liquid) well just before you measure a dose. Measure the liquid with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.

Megace ES contains a higher concentration of megestrol than Megace. If your doctor changes your brand, strength, or type of megestrol, your dosage needs may change. Ask your pharmacist if you have any questions about the medicine you receive at the pharmacy.

Your dosage needs may change if you have surgery, are ill, are under stress, or have an infection. Do not change your medication dose or schedule without your doctor's advice.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking Megace (megestrol)?

This medicine can pass into body fluids (including urine, feces, vomit, semen, vaginal fluid). For at least 48 hours after you receive a dose, avoid allowing your body fluids to come into contact with your hands or other surfaces. Patients and caregivers should wear rubber gloves while cleaning up body fluids, handling contaminated trash or laundry or changing diapers. Wash hands before and after removing gloves. Wash soiled clothing and linens separately from other laundry.

Body fluids should not be handled by a woman who is pregnant or who may become pregnant. Use condoms during sexual activity to avoid exposure to body fluids.

Megace (megestrol) side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these side effects during or after your treatment with megestrol:

  • weight gain (especially in your waist and upper back), stretch marks;

  • thinning skin, easy bruising, increased acne or facial hair;

  • menstrual problems, impotence or loss of interest in sex;

  • high blood sugar (increased thirst, increased urination, hunger, dry mouth, fruity breath odor, drowsiness, dry skin, blurred vision, weight loss);

  • pain, swelling, warmth, or redness (especially in one or both legs); or

  • chest pain, sudden cough, wheezing, rapid breathing, coughing up blood,

Common side effects may include:

  • nausea, gas, diarrhea;

  • unusual vaginal bleeding;

  • mild skin rash; or

  • weakness.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

What other drugs will affect Megace (megestrol)?

Tell your doctor about all medicines you use, and those you start or stop using during your treatment with megestrol, especially:

  • dofetilide; or

  • indinavir.

This list is not complete. Other drugs may interact with megestrol, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

Where can I get more information?

  • Your pharmacist can provide more information about megestrol.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
  • Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2012 Cerner Multum, Inc. Version: 5.01. Revision Date: 2013-07-10, 8:23:49 AM.

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