FANAPT vs QUETIAPINE FUMARATE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. FANAPT and QUETIAPINE FUMARATE 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	QUETIAPINE FUMARATE
Rating	New	New
Pharmacy pays	—	~$2.62 /30
Type	RX	RX
Active ingredient	ILOPERIDONE	QUETIAPINE FUMARATE
Manufacturer	Vanda Pharms Inc	Platinum
Dosage forms	Kit, Tablet	Tablet, extended release, Tablet
Drug class	Atypical Antipsychotic	Atypical Antipsychotic
Boxed warning	Boxed warning	None
Half-life	—	about 6 hours
Treats	Schizophrenia	Autistic Disorder, Bipolar Disorder, Major Depressive Disorder

fanapt quetiapine fumarate

Rating

New

Pharmacy pays

—

~$2.62 /30

Type

Active ingredient

ILOPERIDONE

QUETIAPINE FUMARATE

Manufacturer

Vanda Pharms Inc

Platinum

Dosage forms

Kit, Tablet

Tablet, extended release, Tablet

Drug class

Atypical Antipsychotic

Boxed warning

None

Half-life

—

about 6 hours

Treats

Schizophrenia

Autistic Disorder, Bipolar Disorder, Major Depressive Disorder

Frequently asked questions

What is the difference between Fanapt and Quetiapine Fumarate?

Fanapt contains Iloperidone, while Quetiapine Fumarate contains Quetiapine Fumarate — 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.