seroquel xr

How long does Quetiapine Fumarate stay in your body?

The elimination half-life of quetiapine fumarate is about 6 hours — 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 label reports a mean terminal elimination half-life of roughly 6 hours for the parent drug, with linear (dose-proportional) kinetics across the clinical dose range. Quetiapine's major active metabolite, norquetiapine (N-desalkylquetiapine), is pharmacologically active and outlasts the parent, with a longer terminal half-life of about 9 to 12 hours. Not a prodrug. Clearance falls in older adults (roughly 30-50% lower, effectively prolonging exposure) and in hepatic impairment (about 30% lower oral clearance), so lower starting doses are advised; renal impairment does not meaningfully change clearance.

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: SEROQUEL (quetiapine fumarate) tablet — FDA label, DailyMed.

Frequently asked questions

What does Seroquel XR treat?

Seroquel XR (Quetiapine Fumarate) may be used to treat autistic disorder, bipolar disorder, major depressive disorder, psychotic disorders, 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 Seroquel XR work?

Seroquel XR 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 Seroquel XR 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 $2.62 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 Seroquel XR?

pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Seroquel XR. 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 Seroquel XR?

Seroquel XR is marketed by Cheplapharm Arzneimittel Gmbh. You can see Cheplapharm Arzneimittel Gmbh's full profile, rating, and other products on pharmaranks.

Is Seroquel XR a brand-name or generic drug?

Seroquel XR is a brand-name product with the active ingredient Quetiapine Fumarate. Lower-cost generic equivalents containing Quetiapine Fumarate are available — ask your pharmacist.

Is Seroquel XR available over the counter?

No. Seroquel XR 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 Seroquel XR come in?

Seroquel XR is currently marketed as tablet, extended release, per the FDA's National Drug Code Directory.

What class of drug is Seroquel XR?

Seroquel XR is classified as atypical antipsychotic, per the FDA's Established Pharmacologic Class.

Is Seroquel XR FDA-registered?

Seroquel XR is on record with the U.S. FDA under application number NDA022172. You can verify this on its official FDA label.