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perseris kit

Perseris Kit (Risperidone) is an atypical antipsychotic used to treat Autistic Disorder, Bipolar Disorder, Dementia, Tourette Syndrome.

Risperidone · by Indivior

Available as a generic: Risperidone

Not yet rated· sourced from the FDA label
Rated against independent regulatory sources·Last updated June 30, 2026·How we rate
Verified againstopenFDANIH DailyMedRxClass

Key facts

Active ingredient
Risperidone
Form
Kit
Strength
Risperidone 120MG · Risperidone 90MG
Type
Prescription (Rx)
Brand or generic
Brand-name
Manufacturer
Indivior
Half-life
about 3 hours in extensive CYP2D6 metabolizers (about 20 hours in poor metabolizers) (how long it stays in your system)
What the pharmacy pays
~$2.07 for 30 — not your price
FDA application
NDA210655
Availability
Discontinued (per FDA)

How long does Risperidone stay in your body?

The elimination half-life of risperidone is about 3 hours in extensive CYP2D6 metabolizers (about 20 hours in poor metabolizers) — the time it takes the body to clear about half of it. As a rule of thumb, a medicine is mostly gone after roughly 4 to 5 half-lives, though this varies from person to person with age and kidney or liver function. The parent drug's apparent half-life is CYP2D6-dependent: about 3 hours in extensive metabolizers but about 20 hours in poor metabolizers. Risperidone has a major ACTIVE metabolite, 9-hydroxyrisperidone (paliperidone), which outlasts the parent — its half-life is about 21 hours in extensive metabolizers and 30 hours in poor metabolizers. Because both contribute to effect, the label's most meaningful figure is the overall mean elimination half-life of the active moiety (risperidone plus 9-hydroxyrisperidone), which is about 20 hours — a better basis for how long the drug is active in your system. Clearance is reduced and half-life prolonged in the elderly; plasma concentrations rise in severe renal impairment (clearance reduced ~60%) and the free fraction increases in severe hepatic impairment, so both groups clear the drug more slowly. Half-life estimates when a steady dose is stopped are not the same as a drug-test detection window.

This is general information, not medical advice. It doesn’t tell you when a drug test would read negative (tests detect substances for different, often longer, windows) or when it’s safe to take another dose — ask your pharmacist or prescriber. Source: RISPERDAL (risperidone) FDA prescribing information — DailyMed.

Drug class

How this class works, per Atypical Antipsychotic Agents - StatPearls - NCBI Bookshelf.

May treat (source: NIH RxClass)

See how Perseris Kit ranks — best-rated atypical antipsychotic for:

Dosage forms

Kit

The forms currently marketed in the U.S., per the FDA National Drug Code Directory.

Ways to save

Ask for the generic

Same active ingredient, far cheaper. Is there a generic? →

Request a 90-day supply

Bulk fills usually lower the per-dose price vs monthly refills.

Use copay cards

Manufacturer copay cards & patient-assistance programs — especially for brand drugs.

Compare alternatives

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Frequently asked questions

What does Perseris Kit treat?
Perseris Kit (Risperidone) may be used to treat autistic disorder, bipolar disorder, dementia, tourette syndrome, schizophrenia, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
How does Perseris Kit work?
Perseris Kit is a atypical antipsychotic. Atypical antipsychotics block dopamine D2 receptors and serotonin 5-HT2A receptors in the brain, rebalancing these signaling chemicals to reduce hallucinations, delusions, and mood symptoms in conditions like schizophrenia and bipolar disorder.
How much does Perseris Kit cost?
Nobody can tell you what you will pay — your price is set by your insurer's formulary, your deductible and the pharmacy's markup, and none of those are published. What IS published is what the pharmacy paid to acquire it: about $2.07 for 30, per the CMS NADAC survey. Treat that as the floor, not the quote — ask the pharmacist for the cash price as well as your copay, because for cheap generics the cash price often wins.
Is there a coupon or discount for Perseris Kit?
pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Perseris Kit. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
Who makes Perseris Kit?
Perseris Kit is marketed by Indivior. You can see Indivior's full profile, rating, and other products on pharmaranks.
Is Perseris Kit a brand-name or generic drug?
Perseris Kit is a brand-name product with the active ingredient Risperidone. Lower-cost generic equivalents containing Risperidone are available — ask your pharmacist.
Is Perseris Kit available over the counter?
No. Perseris Kit is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
What forms does Perseris Kit come in?
Perseris Kit is currently marketed as kit, per the FDA's National Drug Code Directory.
What class of drug is Perseris Kit?
Perseris Kit is classified as atypical antipsychotic, per the FDA's Established Pharmacologic Class.
Is Perseris Kit FDA-registered?
Perseris Kit is on record with the U.S. FDA under application number NDA210655. You can verify this on its official FDA label.

Information is sourced from public FDA regulatory data. Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.

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