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Butabarbital
Butabarbital (trade name Butisol) is a prescription barbiturate sleep aid. Butabarbital has a particularly fast onset of effects and short duration of action compared to other barbiturates, which makes it useful for certain applications such as treating severe insomnia and relieving anxiety before surgical procedures; however it is also relatively dangerous particularly when combined with alcohol, and so is now rarely used, although it is still prescribed in some Eastern European and South American countries. Its intermediate duration of action gives butabarbital an abuse potential slightly lower than secobarbital.
Butabarbital is also sold in combination with belladonna alkaloids under the brand name Butibel. The belladonna is added for antispasmodic effect. This product contains a low dose of butabarbital combined with a standardised mix of belladonna alkaloids and is used as an antispasmodic taken to relieve cramping and spasms of the stomach and intestines. They are used also to decrease the amount of acid formed in the stomach. Another similar product is Donnatal, which contains belladonna alkaloids combined with phenobarbital.
==History==
Barbiturates were first discovered to have medical use in 1903, when a research at Bayer showed barbital to be an effective sedative for dogs.〔"Barbiturates". Archived from the original on 7 November 2007. Retrieved 2007-10-31.〕 It was not until the mid 20th century that the habit forming nature of barbiturates and behavioral side effects were first noted〔Galanter, Marc; Kleber, Herbert D. (1 July 2008). The American Psychiatric Publishing Textbook of Substance Abuse Treatment (4th ed.). United States of America: American Psychiatric Publishing Inc. p. 217. ISBN 978-1-58562-276-4.〕
Butabarbital was approved for medical use in 2007 under the brand name Butisol Sodium.〔http://www.accessdata.fda.gov/drugsatfda_docs/label/2007/000793s025lbl.pdf〕 Butisol sodium is manufactured by Meda Pharmaceuticals as a Schedule III controlled substance due to its high risk for abuse and dependence.〔http://www.drugs.com/manufacturer/meda-pharmaceuticals-87.html〕 Benzodiazapines are more commonly administered today for their similar sedative and hypnotic properties, and reduced risk of physical dependence. Barbiturate drugs such as butabarbital sodium are used now for short-term and acute treatment under strict doctor supervision only〔http://www.patmoorefoundation.com/barbiturates-vs-benzodiazepines〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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