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FAZACLO ODT vs RISVAN

Independent side-by-side comparison.

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

Possible drug interaction. FAZACLO ODT and RISVAN 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.

Rating

New
New

Pharmacy pays

~$30.62 /30
~$2.07 /30

Type

RX
RX

Active ingredient

CLOZAPINE
RISPERIDONE

Dosage forms

Tablet, orally disintegrating

Drug class

Atypical Antipsychotic
Atypical Antipsychotic

Boxed warning

None
None

Half-life

about 12 hours at steady state (the label gives a mean elimination half-life of 12 hours, range 4 to 66 hours, after 100 mg twice daily); after a single 75 mg dose the mean is 8 hours (range 4 to 12 hours)
about 3 hours in extensive CYP2D6 metabolizers (about 20 hours in poor metabolizers)

Treats

Bipolar Disorder, Psychotic Disorders, Schizophrenia
Autistic Disorder, Bipolar Disorder, Dementia

Frequently asked questions

Which is cheaper, Fazaclo ODT or Risvan?

Risvan costs pharmacies less to acquire — about $2.07 vs $30.62 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Fazaclo ODT and Risvan?

Fazaclo ODT contains Clozapine, while Risvan 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.