How long does Lamictal XR last?

Official Answer. Lamotrigine will be out of your system after your last dose in about 338.8 hours (approximately 14 days). After multiple dosing (in volunteers who took no other medicines) of lamotrigine the elimination half-life is noted to be between 11.6 to 61.6 hours.

What is Lamictal XR used for?

LAMICTAL XR is indicated as adjunctive therapy for primary generalized tonic-clonic (PGTC) seizures and partial-onset seizures with or without secondary generalization in patients aged 13 years and older.

Is there an extended-release Lamictal?

Monotherapy. Lamotrigine Extended-Release Tablets are indicated for conversion to monotherapy in patients aged 13 years and older with partial-onset seizures who are receiving treatment with a single antiepileptic drug (AED).

Is 250mg of Lamictal a lot?

However, the dose is usually not more than 400 mg a day. Adults and children older than 13 years of age taking valproic acid (Depakote®)—At first, 25 mg of lamotrigine once every other day for 2 weeks, then 25 mg once a day for 2 weeks. After this, your doctor may gradually increase your dose as needed.

What is the peak time for lamotrigine?

Abstract. Lamotrigine is a new antiepileptic agent chemically unrelated to any established drugs in use. The drug can be estimated in biological fluids by high performance liquid chromatography and immunoassays. It is rapidly absorbed, reaching peak concentrations within about 3 hours postdose.

When did Lamictal XR come out?

Lamictal XR (lamotrigine), developed by GlaxoSmithKline, is an approved treatment for epilepsy and bipolar I disease. The drug was first approved by the US Food and Drug Administration (FDA) in 1994. Over the years the drug has been tested and approved as monotherapy as well as in combination with other drugs.

Can Lamictal XR be used for bipolar?

Lamictal XR (lamotrigine) is an anti-epileptic drug used alone or in combination with other medications to treat seizures in adults and children who are at least 2 years old. Lamictal XR is also used to delay mood episodes in adults with bipolar disorder.

How much Lamictal should I take for bipolar?

Lamotrigine is usually taken 1 or 2 times daily with or without food. Typically patients begin at a low dose of medicine and the dose is increased slowly over several weeks. The dose usually ranges from 25 mg to 400 mg.

Can you cut Lamictal XR in half?

LAMICTAL XR Extended-Release Tablets are taken once daily, with or without food. Tablets must be swallowed whole and must not be chewed, crushed, or divided.

Is Lamictal XR generic?

Lamotrigine ER (Lamictal XR) is an expensive drug used to control seizures in adults and children with epilepsy. This drug is less popular than comparable drugs. It is available in brand and generic versions.

What time of day is best to take Lamictal?

You should only take lamotrigine as agreed with your doctor If it is not written on the label, check with your pharmacist or doctor. You may have to take lamotrigine once or twice a day. It doesn’t matter what time you take it each day – choose a time that you can always remember.