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RISPERDAL vs RISPERIDONE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Rating

70/100
New

Pharmacy pays

~$2.07 /30
~$2.07 /30

Type

RX
RX

Active ingredient

RISPERIDONE
RISPERIDONE

Dosage forms

Solution, Tablet
Solution, Tablet

Drug class

Atypical Antipsychotic
Atypical Antipsychotic

Boxed warning

Half-life

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

Treats

Autistic Disorder, Bipolar Disorder, Dementia
Autistic Disorder, Bipolar Disorder, Dementia

Frequently asked questions

Which is cheaper, Risperdal or Risperidone?

Pharmacies pay about the same to acquire either one — roughly $2.07 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Risperdal and Risperidone?

Both Risperdal and Risperidone share the active ingredient Risperidone.

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.