Granisetron extended-release injection
Granisetron extended-release injection
What is this medicine?
GRANISETRON (gra NI se tron) is an antiemetic. It is used to prevent nausea and vomiting caused by chemotherapy.
How should I use this medicine?
This medicine is for injection under the skin. It is given by a health care professional in a hospital or clinic setting.
A special MedGuide will be given to you before each treatment. Be sure to read this information carefully each time.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
confusion
constipation
dizziness
fast, irregular heartbeat
feeling faint or lightheaded, falls
fever and chills
loss of balance or coordination
seizures
skin irritation or skin reaction
sweating
tightness in the chest
tremors
unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
diarrhea
headache
What may interact with this medicine?
Do not take this medicine with any of the following medications:
certain medicines for fungal infections like fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole
cisapride
dofetilide
dronedarone
pimozide
thioridazine
ziprasidone
This medicine may also interact with the following medications:
certain medicines for depression, anxiety, or psychotic disturbances
fentanyl
linezolid
MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
methylene blue (injected into a vein)
other medicines that prolong the QT interval (cause an abnormal heart rhythm)
phenobarbital
tramadol
What if I miss a dose?
It is important not to miss your dose. Call your doctor or health care professional if you are unable to keep an appointment.
Where should I keep my medicine?
This drug is given in a hospital or clinic and will not be stored at home.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
dry hard stool that will not pass out of your rectum
an unusual or allergic reaction to granisetron, ondansetron, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
What should I watch for while using this medicine?
This medicine will cause constipation. Try to have a bowel movement at least every 2 to 3 days. If you do not have a bowel movement for 3 days, call your doctor or health care professional.
Updated:  
May 01, 2019