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.
What should I discuss with my healthcare provider before taking granisetron (oral)?
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.
How should I take granisetron (oral)?
Take this medication exactly as prescribed by your doctor. Do not take it in larger amounts or
for longer than recommended. Follow the directions on your prescription label.
Take each oral dose with a full glass of water.
Granisetron is usually taken up to 1 hour before chemotherapy or radiation starts. If you are
taking this medication with chemotherapy, you may need to take a second granisetron dose 12 hours
after your first dose. Follow your doctor's instructions.
Do not take granisetron on the days you do not have chemotherapy, unless your doctor has
told you to.
Measure liquid medicine with a special dose-measuring spoon or cup, not a regular table spoon.
If you do not have a dose-measuring device, ask your pharmacist for one.
Store granisetron at room temperature away from moisture, heat, and light. Keep the bottle
of liquid medicine tightly closed and in an upright position when not in use.
What happens if I miss a dose of granisetron (oral)?
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.
Where can I get more information about granisetron (oral)?
Your pharmacist has information about granisetron (oral) written for health professionals that you may read.
What are the possible side effects of granisetron (oral)?
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:
headache;
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.
What is the most important information I should know about granisetron (oral)?
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.
Do not take granisetron on the days you do not have chemotherapy, unless your doctor has
told you to.
What should I avoid while taking granisetron (oral)?
Follow your doctor's instructions about any restrictions on food, beverages, or activity while
you are using granisetron.
What other drugs will affect granisetron (oral)?
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.
What happens if I have an overdose of granisetron (oral)?
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.
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.
Content provided by Multum - Last Updated 11/10/2009