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Dexmedetomidine, sold under the trade name Precedex among others, is a drug used in humans for sedation. [4] Veterinarians use dexmedetomidine for similar purposes in treating cats, dogs, and horses. [ 8 ] [ 9 ] It is also used in humans to treat acute agitation associated with schizophrenia or bipolar disorder . [ 5 ]
Context-sensitive half-life or context sensitive half-time is defined as the time taken for blood plasma concentration of a drug to decline by one half after an infusion designed to maintain a steady state (i.e. a constant plasma concentration) has been stopped. The "context" is the duration of infusion.
Atipamezole is a veterinary drug whose prime purpose is to reverse the effects of the sedative dexmedetomidine (as well as its racemic mixture, medetomidine). [note 1] [9] [10] It can also be used to reverse the related sedative xylazine. [11]
Absorption half-life 1 h, elimination half-life 12 h. Biological half-life (elimination half-life, pharmacological half-life) is the time taken for concentration of a biological substance (such as a medication) to decrease from its maximum concentration (C max) to half of C max in the blood plasma.
This multi-page article lists pharmaceutical drugs alphabetically by name. Many drugs have more than one name and, therefore, the same drug may be listed more than once. Brand names and generic names are differentiated by capitalizing brand names. See also the list of the top 100 bestselling branded drugs, ranked by sales.
Radioactive isotope table "lists ALL radioactive nuclei with a half-life greater than 1000 years", incorporated in the list above. The NUBASE2020 evaluation of nuclear physics properties F.G. Kondev et al. 2021 Chinese Phys. C 45 030001. The PDF of this article lists the half-lives of all known radioactives nuclides.
When radionuclides are used pharmacologically, for example in radiation therapy, they are eliminated through a combination of radioactive decay and biological excretion.An effective half-life of the drug will involve a decay constant that represents the sum of the biological and physical decay constants, as in the formula:
Human. Secobarbital is used in assisted dying. [8] [9] [10]In the Netherlands, individuals have two options for assisted dying: they can orally consume 100 mL of concentrated syrup containing either 15 grams of pentobarbital or 15 grams of secobarbital, or they can choose to have 2 grams of thiopental or 1 gram of propofol administered intravenously by a doctor, followed by a muscle relaxant. [11]