Granisetron - oral

Patient Medicine Information
Why do I need this medicine?
Granisetron is used to prevent nausea and vomiting associated with cancer chemotherapy (cancer treatment) and radiation therapy.
How do I take this medicine?
Take Granisetron exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.

For the prevention of nausea and vomiting caused by chemotherapy and radiation therapy, Granisetron is usually taken 1 hour before treatment.

You may take Granisetron with or without food.
What should I do if I have forgotten to take this medicine?
Take the missed dose as soon as you remember.

DO NOT double a dose under any circumstances.
What should I take note of while taking this medicine?
Inform your doctor if you have the following:
  • history of intestinal (bowel) blockage or severe constipation
  • heart disease
  • galactosemia (inherited disorder, inability to digest galactose)
Let your doctor know if you are pregnant or breastfeeding.
What side effects could I experience?
Granisetron may cause dizziness. If affected , do not drive or take part in any activity in which you need to be alert.

Other side effects of Granisetron include any of the following: constipation, diarrhoea, stomach discomfort, indigestion, weakness, pain, fever, difficulty sleeping and headache.

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I take this with other medicines?
Inform your doctor and pharmacist if you are taking any of these medicines:
  • medicines for irregular heartbeat e.g. amiodarone, disopyramide, procainamide, quinidine, sotalol
  • medicines for depression e.g. fluoxetine, fluvoxamine, paroxetine, amitriptyline
  • medicines for mood disorders e.g. haloperidol
  • certain antibiotics e.g. erythromycin, levofloxacin
  • medicines for fungal infection e.g. fluconazole, ketoconazole
This list does not include all medicines that may interact with Granisetron.

Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on granisetron - oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2024 MIMS. All rights reserved. Powered by
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