Pimavanserin (Oral Route)

Appropriate studies have not been performed on the relationship of age to the effects of pimavanserin in the pediatric population. Safety and efficacy have not been established.

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.

• Amifampridine
• Amisulpride
• Bepridil
• Bromopride
• Cisapride
• Dronedarone
• Fluconazole
• Ketoconazole
• Mesoridazine
• Pimozide
• Piperaquine
• Saquinavir
• Sparfloxacin
• Terfenadine
• Thioridazine
• Ziprasidone

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

• Alfentanil
• Alfuzosin
• Amiodarone
• Amitriptyline
• Anagrelide
• Apomorphine
• Aripiprazole
• Arsenic Trioxide
• Asenapine
• Astemizole
• Atazanavir
• Azithromycin
• Bedaquiline
• Boceprevir
• Buprenorphine
• Buserelin
• Butorphanol
• Chloroquine
• Chlorpromazine
• Ciprofloxacin
• Citalopram
• Clarithromycin
• Clomipramine
• Clozapine
• Cobicistat
• Codeine
• Conivaptan
• Crizotinib
• Cyclobenzaprine
• Dabrafenib
• Dasatinib
• Degarelix
• Delamanid
• Desipramine
• Deslorelin
• Dihydrocodeine
• Disopyramide
• Dofetilide
• Dolasetron
• Domperidone
• Donepezil
• Doxepin
• Droperidol
• Ebastine
• Efavirenz
• Eribulin
• Erythromycin
• Escitalopram
• Famotidine
• Felbamate
• Fentanyl
• Fingolimod
• Flecainide
• Fluoxetine
• Formoterol
• Foscarnet
• Fosphenytoin
• Galantamine
• Gatifloxacin
• Gemifloxacin
• Gonadorelin
• Goserelin
• Granisetron
• Halofantrine
• Haloperidol
• Histrelin
• Hydrocodone
• Hydromorphone
• Hydroquinidine
• Hydroxychloroquine
• Hydroxyzine
• Ibutilide
• Idelalisib
• Iloperidone
• Imipramine
• Indinavir
• Itraconazole
• Ivabradine
• Lapatinib
• Leuprolide
• Levofloxacin
• Lopinavir
• Lumefantrine
• Mefloquine
• Meperidine
• Methadone
• Methotrimeprazine
• Metronidazole
• Mifepristone
• Mizolastine
• Moricizine
• Morphine
• Morphine Sulfate Liposome
• Moxifloxacin
• Nafarelin
• Nefazodone
• Nelfinavir
• Nilotinib
• Norfloxacin
• Octreotide
• Ofloxacin
• Olanzapine
• Ondansetron
• Oxycodone
• Oxymorphone
• Paliperidone
• Panobinostat
• Papaverine
• Paroxetine
• Pasireotide
• Pazopanib
• Pentamidine
• Pentazocine
• Perflutren Lipid Microsphere
• Perphenazine
• Pipamperone
• Pitolisant
• Probucol
• Procainamide
• Prochlorperazine
• Promethazine
• Propafenone
• Protriptyline
• Quetiapine
• Quinidine
• Quinine
• Ranolazine
• Remifentanil
• Risperidone
• Ritonavir
• Sertindole
• Sevoflurane
• Sodium Phosphate
• Sodium Phosphate, Dibasic
• Sodium Phosphate, Monobasic
• Solifenacin
• Sorafenib
• Sotalol
• Sufentanil
• Sulpiride
• Sunitinib
• Tacrolimus
• Tamoxifen
• Tapentadol
• Telaprevir
• Telavancin
• Telithromycin
• Tetrabenazine
• Tizanidine
• Tolterodine
• Toremifene
• Tramadol
• Trazodone
• Trimipramine
• Triptorelin
• Vandetanib
• Vardenafil
• Vemurafenib
• Venlafaxine
• Vilanterol
• Vinflunine
• Voriconazole
• Vorinostat

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

• Arrhythmia (abnormal heart beat), history of or
• Bradycardia (slow heart beat), history of or
• Heart rhythm problems, history of or
• QT prolongation (abnormal heart beat), history of—Use with caution. May make these conditions worse.

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

• For oral dosage form (tablets):
  • For treatment of hallucinations and delusions:
    • Adults—34 milligrams (2 tablets) once a day.
    • Children—Use and dose must be determined by your doctor.

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.