FANAPT vs PERSERIS KIT

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 30, 2026·How we rate

Possible drug interaction. FANAPT and PERSERIS KIT are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	FANAPT	PERSERIS KIT
Rating	New	New
Pharmacy pays	—	~$2.07 /30
Type	RX	RX
Active ingredient	ILOPERIDONE	RISPERIDONE
Manufacturer	Vanda Pharms Inc	Indivior
Dosage forms	Kit, Tablet	Kit
Drug class	Atypical Antipsychotic	Atypical Antipsychotic
Boxed warning	Boxed warning	None
Half-life	—	about 3 hours in extensive CYP2D6 metabolizers (about 20 hours in poor metabolizers)
Treats	Schizophrenia	Autistic Disorder, Bipolar Disorder, Dementia

fanapt perseris kit

Rating

New

Pharmacy pays

—

~$2.07 /30

Type

Active ingredient

ILOPERIDONE

RISPERIDONE

Manufacturer

Vanda Pharms Inc

Indivior

Dosage forms

Kit, Tablet

Kit

Drug class

Atypical Antipsychotic

Boxed warning

None

Half-life

—

about 3 hours in extensive CYP2D6 metabolizers (about 20 hours in poor metabolizers)

Treats

Schizophrenia

Autistic Disorder, Bipolar Disorder, Dementia

Frequently asked questions

What is the difference between Fanapt and Perseris Kit?

Fanapt contains Iloperidone, while Perseris Kit contains Risperidone — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.