depakote er

How long does Divalproex Sodium stay in your body?

The elimination half-life of divalproex sodium is about 9 to 16 hours (the label's mean terminal half-life range for valproate monotherapy) — 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. Divalproex sodium is not itself the circulating drug — the label states it dissociates to the valproate ion in the gastrointestinal tract, so the half-life reported is that of valproate, the active moiety. The label gives a mean TERMINAL (elimination) half-life of 9 to 16 hours after oral doses of 250 to 1,000 mg, and notes this applies mainly to people not taking drugs that affect liver enzymes: patients on enzyme-inducing antiepileptics (carbamazepine, phenytoin, phenobarbital) clear valproate faster, so the half-life is shorter. The label does not name an active metabolite that outlasts the parent. Liver disease: impaired elimination — in the cited study free-valproate clearance fell 50% in cirrhosis and 16% in acute hepatitis, and the half-life rose from 12 to 18 hours. Older adults (68 to 89 years): intrinsic clearance reduced 39% and the free (unbound) fraction increased 44% versus younger adults, so the label directs a lower starting dose. Kidney impairment: only a slight (27%) reduction in unbound clearance even with creatinine clearance under 10 mL/min, and the label says no dosage adjustment appears necessary — though protein binding is substantially reduced, so total-concentration monitoring can mislead. This is pharmacokinetic information, not a drug-test detection window and not dosing guidance.

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: Divalproex Sodium Extended-Release Tablets — FDA label, Section 12.3 Pharmacokinetics (DailyMed SPL).

Frequently asked questions

What does Depakote ER treat?

Depakote ER (Divalproex Sodium) may be used to treat bipolar disorder, epilepsy, absence epilepsy, complex partial epilepsy, 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 Depakote ER work?

Depakote ER is a anti-epileptic agent. Anti-epileptic (anticonvulsant) drugs calm the abnormal, excessive electrical activity that triggers seizures. They do this by stabilizing overactive sodium or calcium channels in nerve cells, boosting the brain's natural calming chemical GABA, or dampening excitatory signals, which makes nerves less likely to fire uncontrollably.

How is Depakote ER rated?

pharmaranks gives Depakote ER 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 Depakote ER 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 $5.99 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. Pharmacies pay less for a same-class option, Lamictal — about $4.39 on the same basis.

Is there a coupon or discount for Depakote ER?

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

Depakote ER is marketed by Abbott. You can see Abbott's full profile, rating, and other products on pharmaranks.

Is Depakote ER a brand-name or generic drug?

Depakote ER is a brand-name product with the active ingredient Divalproex Sodium. Lower-cost generic equivalents containing Divalproex Sodium are available — ask your pharmacist.

Is Depakote ER available over the counter?

No. Depakote ER 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 Depakote ER come in?

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

What class of drug is Depakote ER?

Depakote ER is classified as anti-epileptic agent, mood stabilizer, per the FDA's Established Pharmacologic Class.

Is Depakote ER FDA-registered?

Depakote ER is on record with the U.S. FDA under application number NDA020782. You can verify this on its official FDA label.

Has Depakote ER been recalled by the FDA?

Depakote ER 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 Depakote ER safe?

There's no single safe-or-not verdict. pharmaranks gives Depakote ER 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.