tegretol

How long does Carbamazepine stay in your body?

The elimination half-life of carbamazepine is about 12 to 17 hours once you have been taking it regularly (25 to 65 hours after the very first dose) — 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. Carbamazepine speeds up its own breakdown — the label calls this autoinduction, and it finishes after 3 to 5 weeks on a steady dose. That is why the half-life starts long (25 to 65 hours after a single dose) and shortens to 12 to 17 hours with ongoing use. Carbamazepine has an active metabolite, carbamazepine-10,11-epoxide; this label states no half-life for it and cautions that the clinical significance of the epoxide's activity has not been established. Extended-release forms change how fast the drug is absorbed (peak at 3 to 12 hours instead of 4 to 5), not how fast it is cleared. This label gives no separate half-life for older adults or for kidney or liver impairment.

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: TEGRETOL (carbamazepine) tablets, suspension and XR tablets — FDA prescribing information, Clinical Pharmacology (DailyMed).

Frequently asked questions

What does Tegretol treat?

Tegretol (Carbamazepine) may be used to treat bipolar disorder, tonic-clonic epilepsy, psychotic disorders, restless legs syndrome, schizophrenia, post-traumatic stress disorders, 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 is Tegretol rated?

pharmaranks gives Tegretol a composite score of 3.5 out of 5, currently based on 1 weighted source (FDA regulatory recall-safety data weighted highest). See our methodology at /how-we-rate.

How much does Tegretol 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 $7.32 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 Tegretol?

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

Tegretol is marketed by Novartis. You can see Novartis's full profile, rating, and other products on pharmaranks.

Is Tegretol a brand-name or generic drug?

Tegretol is a brand-name product with the active ingredient Carbamazepine. Lower-cost generic equivalents containing Carbamazepine are available — ask your pharmacist.

Is Tegretol available over the counter?

No. Tegretol 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 Tegretol come in?

Tegretol is currently marketed as suspension and tablet, per the FDA's National Drug Code Directory.

What class of drug is Tegretol?

Tegretol is classified as mood stabilizer, per the FDA's Established Pharmacologic Class.

Is Tegretol FDA-registered?

Tegretol is on record with the U.S. FDA under application number NDA018281. You can verify this on its official FDA label.

Has Tegretol been recalled by the FDA?

Tegretol has no FDA recalls recorded under its own application in the openFDA enforcement database. Its recall-safety score reflects its manufacturer's overall recall record. This is general reference, not medical advice — check the FDA recall database for the latest alerts.

Is Tegretol safe?

There's no single safe-or-not verdict. pharmaranks gives Tegretol a recall-safety score of 70/100, based on its FDA recall history (no recalls under its own FDA application) — not an efficacy or side-effect rating. Review its FDA-label side effects and warnings before use, and always consult a licensed professional.