Envirotox

Envirotox

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Questions & Answers

Side Effects & Adverse Reactions

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Legal Issues

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FDA Safety Alerts

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Manufacturer Warnings

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FDA Labeling Changes

There are currently no FDA labeling changes available for this drug.

Uses

1.1 Mania

Divalproex sodium extended-release tablets are valproate and are indicated for the treatment of acute manic or mixed episodes associated with bipolar disorder, with or without psychotic features. A manic episode is a distinct period of abnormally and persistently elevated, expansive, or irritable mood. Typical symptoms of mania include pressure of speech, motor hyperactivity, reduced need for sleep, flight of ideas, grandiosity, poor judgment, aggressiveness, and possible hostility. A mixed episode is characterized by the criteria for a manic episode in conjunction with those for a major depressive episode (depressed mood, loss of interest or pleasure in nearly all activities).

The efficacy of divalproex sodium extended-release tablets  is based in part on studies of divalproex sodium delayed release tablets in this indication, and was confirmed in a 3 week trial with patients meeting DSM-IV TR criteria for bipolar I disorder, manic or mixed type, who were hospitalized for acute mania [see CLINCIAL STUDIES(14.1)].

The effectiveness of valproate for long-term use in mania, i.e., more than 3 weeks, has not been demonstrated in controlled clinical trials. Therefore, healthcare providers who elect to use divalproex sodium extended-release tablets for extended periods should continually reevaluate the long-term risk-benefits of the drug for the individual patient.

1.2 Epilepsy

Divalproex sodium extended-release tablets are indicated as monotherapy and adjunctive therapy in the treatment of adult patients and pediatric patients down to the age of 10 years with complex partial seizures that occur either in isolation or in association with other types of seizures. Divalproex sodium extended-release tablets are also indicated for use as sole and adjunctive therapy in the treatment of simple and complex absence seizures in adults and children 10 years of age or older, and adjunctively in adults and children 10 years of age or older with multiple seizure types that include absence seizures.

Simple absence is defined as very brief clouding of the sensorium or loss of consciousness accompanied by certain generalized epileptic discharges without other detectable clinical signs. Complex absence is the term used when other signs are also present.

1.3 Migraine

Divalproex sodium extended-release tablets are indicated for prophylaxis of migraine headaches. There is no evidence that divalproex sodium extended-release tablets are useful in the acute treatment of migraine headaches.

1.4 Important Limitations

Because of the risk to the fetus of decreased IQ, neural tube defects, and other major congenital malformations, which may occur very early in pregnancy, valproate should not be administered to a woman of childbearing potential unless the drug is essential to the management of her medical condition [see WARNINGS AND PRECAUTIONS (5.2, 5.3, 5.4), USE IN SPECIFIC POPULATIONS (8.1), AND PATIENT COUNSELING INFORMATION (17)].

Divalproex sodium extended-release tablets are contraindicated for prophylaxis of migraine headaches in women who are pregnant.

History

There is currently no drug history available for this drug.

Other Information

Divalproex sodium is a stable coordination compound comprised of sodium valproate and valproic acid in a 1:1 molar relationship. Chemically it is designated as sodium hydrogen bis (2-propylpentanoate). Divalproex sodium has the following structure:

Structural Formula

Divalproex sodium, USP occurs as a white powder with a characteristic odor.

Each divalproex sodium extended-release tablet intended for oral administration contains 250 mg or 500 mg of divalproex sodium equivalent to 250 mg or 500 mg of valproic acid. In addition, each tablet contains the following inactive ingredients: hydroxypropyl cellulose, hypromellose, lecithin, magnesium stearate, polyethylene glycol, polyvinyl alcohol (partially hydrolyzed), silicon dioxide, talc, titanium dioxide and xanthan gum. Each tablet is printed with black pharmaceutical ink which contains: ammonium hydroxide, ferrosoferric oxide, isopropyl alcohol, n-butyl alcohol, propylene glycol and shellac.

USP dissolution test is pending.

Envirotox Manufacturers


  • Bioactive Nutritional, Inc.
    Envirotox (Triticum Aestivum, Berberis Vulgaris, Lappa Major, Phytolacca Decandra, Rhamnus Cathartica, Rhamnus Purshiana,) Liquid [Bioactive Nutritional, Inc.]

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