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Immunoassay reagents intended to perform qualitative and/or quantitative analyses on a body fluid sample (typically urine) to determine amphetamine, a central nervous drug stimulant with little therapeutic use (e.g., treating of narcolepsy). Amphetamine produces an initial state of euphoria that creates a high potential for abuse. Reagents for amphetamines determination are used to identify those who have recently taken the drug; they cannot differentiate casual use from chronic drug abuse, degree of impairment, exact time of use, or dose of drug taken. Immunoassays for amphetamine have variable cross-reactivity with other sympathomimetic amines (e.g., ephedrine, pseudoephedrine), so confirmation of positive results are mandatory.
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