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Pharmacology of Oxazepam (Serax); Mechanism of action, Pharmacokinetics, Uses, Effects

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Oxazepam is a benzodiazepine medication primarily used for the treatment of anxiety disorders, insomnia, and symptoms of alcohol withdrawal. Here's an overview of its pharmacology:

Mechanism of Action:
Oxazepam enhances the effect of the neurotransmitter gamma-aminobutyric acid (GABA) at the GABA-A receptor. This results in a calming effect on the central nervous system (CNS), reducing anxiety, inducing sedation, and relaxing muscles.

Pharmacokinetics:
Absorption: Well absorbed when taken orally, with a slow onset of action.

Metabolism: Metabolized in the liver through glucuronidation, making it less affected by liver dysfunction compared to other benzodiazepines.

Half-life: Approximately 6–9 hours, making it a short-to-intermediate-acting benzodiazepine.

Excretion: Primarily excreted in urine as inactive metabolites.

Indications:
Management of anxiety disorders.

Short-term relief of insomnia.

Treatment of alcohol withdrawal symptoms.

Side Effects:
Common: Drowsiness, dizziness, and fatigue.

Rare but serious: Dependence, withdrawal symptoms, and respiratory depression (especially when combined with other CNS depressants).

#Oxazepam

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