Acadia Pharmaceuticals Inc. logo in gray

Acadia Pharmaceuticals Inc.
12830 El Camino Real, Suite 400
San Diego, CA 92130

(844) 4ACADIA
(844) 422-2342

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Learn more about NUPLAZID and PD-related hallucinations and delusions.

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  • Medicines like NUPLAZID can raise the risk of death in elderly people who have lost touch with reality (psychosis) due to confusion and memory loss (dementia).

  • NUPLAZID is not approved for the treatment of patients with dementia-related psychosis unrelated to the hallucinations and delusions associated with Parkinson’s disease psychosis.

  • Do not take NUPLAZID if you have had an allergic reaction to any of the ingredients in NUPLAZID. Allergic reactions have included rash, hives, swelling of the tongue, mouth, lips, or face, throat tightness, and shortness of breath.
  • NUPLAZID may cause serious side effects including:

    • QT Interval Prolongation: NUPLAZID may increase the risk of changes to your heart rhythm. This risk may increase if NUPLAZID is taken with certain other medications known to prolong the QT interval. Tell your healthcare provider about all the medicines you take or have recently taken.

    • Do not take NUPLAZID if you have certain heart conditions that change your heart rhythm. It is important to talk to your healthcare provider about this possible side effect. Call your healthcare provider if you feel a change in your heartbeat.

  • Tell your healthcare provider about all the medicines you take. Other medicines may affect how NUPLAZID works. Some medicines should not be taken with NUPLAZID. Your healthcare provider can tell you if it is safe to take NUPLAZID with your other medicines. Do not start or stop any medicines while taking NUPLAZID without talking to your healthcare provider first.
  • The common side effects of NUPLAZID include swelling in the legs or arms, nausea, confusion, hallucination, constipation, and changes to normal walking. These are not all the possible side effects of NUPLAZID. For more information, ask your healthcare provider about this medicine.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit or call 1‑800‑FDA‑1088.
You can also call Acadia Pharmaceuticals Inc. at 1‑844‑4ACADIA (1‑844‑422‑2342).


NUPLAZID is a prescription medicine used to treat hallucinations and delusions associated with Parkinson’s disease psychosis.

Dosage and Administration

The recommended dose of NUPLAZID is one 34 mg capsule once per day, taken by mouth.

NUPLAZID is available as 34 mg capsules and 10 mg tablets.

Please read the full Prescribing Information, including Boxed WARNING.