What should I tell my care team before I take this medication?
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 medications, foods, dyes, or preservatives
- Pregnant or trying to get pregnant
- Breast-feeding
What may interact with this medication?
Do not take this medication with any of the following:
- Certain medications for fungal infections like fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole
- Cisapride
- Dronedarone
- Pimozide
- Thioridazine
This medication may also interact with the following:
- Certain medications for depression, anxiety, or psychotic disturbances
- Fentanyl
- Linezolid
- MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
- Methylene blue (injected into a vein)
- Other medications that prolong the QT interval (cause an abnormal heart rhythm) like dofetilide, ziprasidone
- Phenobarbital
- Tramadol
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
This medication 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 care team.