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.
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
fast, irregular heartbeat
feeling faint or lightheaded, falls
fever and chills
loss of balance or coordination
skin irritation or skin reaction
tightness in the chest
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):
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
This medicine may also interact with the following medications:
certain medicines for depression, anxiety, or psychotic disturbances
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)
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
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.
July 17, 2018