What is granisetron?
Granisetron blocks the actions of chemicals in the body that may cause nausea and vomiting.
Granisetron is used to prevent nausea and vomiting caused by cancer chemotherapy or radiation therapy, and anesthesia used during surgery.
Granisetron may also be used for other purposes not listed in this medication guide.
You should not use this medication if you are allergic to granisetron.
Before taking granisetron, tell your doctor if you have recently had stomach or intestinal surgery. You may need a dose adjustment or special tests to safely take granisetron.
FDA pregnancy category B. Granisetron is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
It is not known whether granisetron passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Do not give this medication to anyone younger than 18 years old without a doctor’s advice.
Follow your doctor’s instructions about any restrictions on food, beverages, or activity while you are using granisetron.
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Seek emergency medical attention if you think you have used too much of this medicine.
An overdose of granisetron is not expected to produce life-threatening side effects.
Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.
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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 granisetron and call your doctor at once if you have a serious side effect such as:
- chest pain, uneven heart rate;
- pale skin, easy bruising or bleeding; or
- feeling like you might pass out.
Less serious side effects may include:
- diarrhea or constipation;
- nausea, vomiting, stomach pain or upset;
- loss of appetite;
- drowsiness, weakness;
- dizziness, anxiety;
- sleep problems (insomnia); or
- temporary hair loss.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
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There may be other drugs that can interact with granisetron. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.
Kytril, granisetron, Granisol, and Sancuso
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Copyright 1996-2004 Cerner Multum, Inc. Version 2.05. Revision date 8/23/04