Valproate semisodium | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-10-29

This is an audio version of the Wikipedia Article:
Valproate semisodium

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SUMMARY
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Valproate (VPA), and its valproic acid, sodium valproate, and valproate semisodium forms, are medications primarily used to treat epilepsy and bipolar disorder and to prevent migraine headaches. They are useful for the prevention of seizures in those with absence seizures, partial seizures, and generalized seizures. They can be given intravenously or by mouth. Long and short acting formulations of tablets exist.Common side effects include nausea, vomiting, sleepiness, and a dry mouth. Serious side effects can include liver problems and regular monitoring of liver function tests is therefore recommended. Other serious risks include pancreatitis and an increased suicide risk. The drug is known to cause serious abnormalities in the baby if taken during pregnancy. Because of this it is not typically recommended in women of childbearing age who have migraines.It is unclear exactly how valproate works. Proposed mechanisms include affecting GABA levels, blocking voltage-gated sodium channels, and inhibiting histone deacetylases. Valproic acid is a branched short-chain fatty acid (SCFA) made from valeric acid.Valproate was first made in 1881 and came into medical use in 1962. Valproate is included in the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. It is available as a generic medication. The wholesale cost in the developing world is between 0.14 and 0.52 USD per day. In the United States, it costs roughly $0.90 USD per day. It is marketed under the brand names Depakote and Epilim, among others.