FINTEPLA vs RISPERDAL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 12, 2026·How we rate

Possible drug interaction. FINTEPLA and RISPERDAL 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	FINTEPLA	RISPERDAL
Rating	70/100	70/100
Pharmacy pays	—	~$2.07 /30
Type	RX	RX
Active ingredient	FENFLURAMINE HYDROCHLORIDE	RISPERIDONE
Manufacturer	Ucb Inc	Janssen Pharms
Dosage forms	Solution	Solution, Tablet
Drug class	—	Atypical Antipsychotic
Boxed warning	Boxed warning	Boxed warning
Half-life	—	about 3 hours in extensive CYP2D6 metabolizers (about 20 hours in poor metabolizers)
Treats	Autistic Disorder, Bulimia, Obesity	Autistic Disorder, Bipolar Disorder, Dementia

fintepla risperdal

Rating

70/100

Pharmacy pays

—

~$2.07 /30

Type

Active ingredient

FENFLURAMINE HYDROCHLORIDE

RISPERIDONE

Manufacturer

Ucb Inc

Janssen Pharms

Dosage forms

Solution

Solution, Tablet

Drug class

—

Atypical Antipsychotic

Boxed warning

Half-life

—

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

Treats

Autistic Disorder, Bulimia, Obesity

Autistic Disorder, Bipolar Disorder, Dementia

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Frequently asked questions

Which is better-rated, Fintepla or Risperdal?

Fintepla and Risperdal are tied at 3.5 out of 5 by our independent rating.

What is the difference between Fintepla and Risperdal?

Fintepla contains Fenfluramine Hydrochloride, while Risperdal 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.