April 29, 2017
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Cesamet Patient Information Including Side Effects

Brand Names: Cesamet

Generic Name: nabilone (Pronunciation: NAB il own)

What is nabilone (Cesamet)?

Nabilone is a man-made form of cannabis (marijuana is an herbal form of cannabis). Nabilone causes many effects on your central nervous system.

Nabilone is used to treat severe nausea and vomiting that is caused by cancer chemotherapy. Nabilone is for use only when other medications have been unable to control the nausea and vomiting.

Nabilone may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of nabilone (Cesamet)?

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

Stop using nabilone and call your doctor at once if you have any of these serious side effects:

  • hallucinations (seeing or hearing things that are not there);
  • paranoia, extreme fear;
  • fast heart rate;
  • feeling light-headed, fainting; or
  • unusual thoughts or behavior.

Continue using nabilone and talk with your doctor if you have any of these less serious side effects:

  • dizziness, drowsiness;
  • feeling "high";
  • weakness, lack of coordination;
  • depression, anxiety, confusion;
  • dry mouth;
  • headache, trouble concentrating; or
  • sleep problems (insomnia).

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

Read the Cesamet (nabilone capsules) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about nabilone (Cesamet)?

Nabilone may be habit-forming and should be used only by the person it was prescribed for. Nabilone should never be given to another person, especially someone who has a history of drug abuse or habitual marijuana use. Keep the medication in a secure place where others cannot get to it.

Do not use nabilone if you have ever had an allergic reaction to natural or man-made marijuana.

Before taking nabilone, tell your doctor if you have high blood pressure, heart disease, a history of mental illness or drug addiction, or if you are also using other medicines that can affect your central nervous system, such as a tranquilizer, sleep medicine, or anti-psychotic medications.

Use this medication exactly as it was prescribed for you. Do not use it in larger amounts or for longer than recommended by your doctor.

Avoid using other medicines that affect the central nervous system (such as stimulants, diet pills, cold medicine, pain medication, muscle relaxers, and medicine for seizures, depression, anxiety, mental illness, or Parkinson's disease). These other drugs can add to the effects of nabilone.

Nabilone causes effects that will impair your thinking or reactions. Do not drive or do anything that requires you to be awake and alert until the effects of nabilone wear off.

There are many other medicines that can add to the side effects of nabilone. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Side Effects Centers

Cesamet - User Reviews

Cesamet User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Cesamet sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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