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An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
Depakote (valproic acid/sodium valproate) – an antiepileptic and mood stabilizer used to treat bipolar disorder, neuropathic pain and others; sometimes called an antimanic medication. Depakene is the trade name for the same drug prepared without sodium. Desyrel – an atypical antidepressant used to treat depression and insomnia
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Valproic acid was first synthesized in 1882 by Beverly S. Burton as an analogue of valeric acid, found naturally in valerian. [69] Valproic acid is a carboxylic acid, a clear liquid at room temperature. For many decades, its only use was in laboratories as a "metabolically inert" solvent for organic compounds.
Examples include valproic acid, [2] vigabatrin, [3] [4] phenylethylidenehydrazine (and drugs that metabolize to it, such as phenelzine [5]), ethanolamine-O-sulfate (EOS), and L-cycloserine. [ 6 ] Certain members of this class are used as anticonvulsants .
The use of these models allows an understanding of the characteristics of a molecule, as well as how a particular drug will behave given information regarding some of its basic characteristics such as its acid dissociation constant (pKa), bioavailability and solubility, absorption capacity and distribution in the organism.
Valpromide is no safer during pregnancy than valproic acid. Valpromide is formed through the reaction of valproic acid and ammonia via an intermediate acid chloride. In pure form, valpromide is a white crystalline powder and has a melting point 125–126 °C. It is soluble only in hot water. It is available on the market in some European countries.
Minor limb malformations seen after valproate exposure. Fetal valproate spectrum disorder (FVSD), previously known as fetal valproate syndrome (FVS), is a rare disease caused by prenatal exposure to valproic acid (VPA), a medication commonly used to treat epilepsy, bipolar disorder, and migraines.