What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
-Dementia
-Heart disease
-History of irregular heartbeat
-Kidney disease
-Low levels of magnesium or potassium in the blood
-An unusual or allergic reaction to pimavanserin, 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:
-Carbamazepine
-Certain antivirals for HIV or hepatitis like ritonavir
-Certain antibiotics like clarithromycin, gatifloxacin, moxifloxacin
-Certain medications for irregular heart beat like amiodarone, disopyramide, propafenone, quinidine, sotalol
-Fosphenytoin
-Modafinil
-Nafcillin
-Phenobarbital
-Primidone
-Phenytoin
-Other medications for psychotic disturbances
-Other medications that prolong the QT interval (cause an abnormal heart rhythm) like dofetilide
-Rifampin
-St. John's Wort
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?
Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse.
What are the most serious risks of this medication?
This medication should only be used to treat mood and behavior changes caused by Parkinson disease. It may increase the risk of death when used in older adults with dementia.