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Related Experiment Videos

Chlordiazepoxide injection elevates the NaCl solution acceptance-rejection function.

J L Falk, M Tang

    Pharmacology, Biochemistry, and Behavior
    |September 1, 1984
    PubMed
    Summary
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    Chlordiazepoxide increased fluid intake in water-deprived rats. This drug effect was enhanced when rats drank saline, suggesting its use for anxiolytic drug assessment.

    Area of Science:

    • Pharmacology
    • Neuroscience
    • Behavioral Science

    Background:

    • Chlordiazepoxide is a benzodiazepine anxiolytic.
    • Understanding drug effects on fluid intake is crucial for behavioral pharmacology.
    • Water deprivation is a significant physiological stressor influencing drinking behavior.

    Purpose of the Study:

    • To investigate the effect of chlordiazepoxide on fluid intake in water-deprived rats.
    • To determine if the drug's effect differs when drinking water versus saline solutions.
    • To explore the potential of this drug-induced behavior as an index for anxiolytic drug activity.

    Main Methods:

    • Rats were subjected to water deprivation.
    • Subcutaneous injections of chlordiazepoxide (2-8 mg/kg) were administered.

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  • Fluid intake (water or 0.5-3.0% NaCl solution) was measured during 1-hour rehydration periods.

    • Main Results:

    • Chlordiazepoxide significantly increased both water and NaCl solution intake.
    • The drug's effect on fluid intake was markedly enhanced when NaCl solution was available compared to water.
    • This enhancement did not appear to be due to induced sodium appetite or mimicking water deprivation.

    Conclusions:

    • Chlordiazepoxide increases fluid consumption in dehydrated rats.
    • The exaggerated response to chlordiazepoxide when drinking saline suggests a specific interaction.
    • This phenomenon may serve as a sensitive behavioral assay for punishment-attenuating (anxiolytic) drugs.