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Concentra Inc., is a national health care establishment centered around occupational health. [1] It was founded in 1979 in Amarillo, Texas , [ 2 ] and the headquarters of the corporation is in Addison, Texas . [ 3 ]
Methylphenidate, sold under the brand names Ritalin (/ ˈ r ɪ t ə l ɪ n / RIT-ə-lin) and Concerta (/ k ə n ˈ s ɜːr t ə / kən-SUR-tə) [citation needed] among others, is a central nervous system (CNS) stimulant to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.
A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.
Prothrombin complex concentrate (PCC), also known as factor IX complex, sold under the brand name Kcentra among others, is a combination medication made up of blood clotting factors II, IX, and X [9] (3-factor PCC) or, when also containing factor VII as does Kcentra, 4-factor PCC. [10]
Drug checking or pill testing is a way to reduce the harm from drug consumption by allowing users to find out the content and purity of substances that they intend to consume. This enables users to make safer choices: to avoid more dangerous substances, to use smaller quantities, and to avoid dangerous combinations.
The more drug there is in the sample, the more free enzyme there will be, and the increased enzyme activity causes a change in color. [ 2 ] : 70 Determination of drug levels in serum is particularly important when the difference in the concentrations needed to produce a therapeutic effect and adverse side reactions (the therapeutic window ) is ...
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It is pharmacokinetically normal that over time, the drug molecules are being metabolized or cleared by the body, so the concentration of drug that remains available is dropping. In a medicine that is administered periodically, the trough level should be measured just before the administration of the next dose in order to avoid overdosing. [ 3 ]