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Related Concept Videos

CNS Depressants: Barbiturates and Benzodiazepines01:14

CNS Depressants: Barbiturates and Benzodiazepines

CNS depressants include drugs from the category of barbiturates and benzodiazepines. They are valuable medications for managing anxiety disorders and insomnia. Barbiturates, once used to induce and maintain sleep, have been replaced mainly by benzodiazepines due to barbiturate's toxicity, tolerance, and overdose risks. They interact with GABAA receptors, leading to sedation at low doses and potentially coma and death at higher doses. Phenobarbital, a long-acting barbiturate, possesses...
Sedatives and Hypnotics Drugs: Benzodiazepines01:19

Sedatives and Hypnotics Drugs: Benzodiazepines

Benzodiazepines have both sedative and hypnotic properties. They include compounds such as diazepam (Valium) and alprazolam (Xanax). Structurally, their cores are similar, consisting of the fusion of a benzene ring and a diazepine ring, but they share a common mechanism of action in the central nervous system (CNS).
Benzodiazepines work by enhancing the effects of the inhibitory neurotransmitter GABA. They bind to the GABAA receptor, increasing its affinity for GABA, which opens chloride...
Anxiolytic Drugs: Benzodiazepines and Buspirone01:29

Anxiolytic Drugs: Benzodiazepines and Buspirone

Benzodiazepines are a class of anxiolytic drugs known for their rapid efficacy and high therapeutic-to-lethal dose ratio, but with a potential risk of drug dependence. These drugs are lipophilic, allowing for rapid absorption after oral administration, eventually reaching the central nervous system (CNS). Once in the CNS, benzodiazepines bind to the allosteric site of the GABAA receptor. This binding enhances the inhibitory effects of the neurotransmitter GABA. By doing so, they prevent...
Anxiolytic Drugs: Overview01:26

Anxiolytic Drugs: Overview

Anxiolytic drugs are vital in managing anxiety disorders by effectively alleviating symptoms such as excessive fear, tachycardia, and tremors. There are several classes of anxiolytic medications, each with unique mechanisms of action and potential side effects.
Primary Types of Anxiolytic Drugs
1. Benzodiazepines:
Benzodiazepines bind to the GABA-A receptor in the brain, enhancing GABA's interaction. This action reduces neurotransmission, effectively blocking anxiety-associated limbic circuitry.
Sedatives and Hypnotics Drugs: Barbiturates01:20

Sedatives and Hypnotics Drugs: Barbiturates

Sedatives and hypnotics encompass a drug class that acts on the central nervous system (CNS) to alleviate anxiety, promote relaxation and induce sleep.These drugs function by amplifying the actions of the neurotransmitter γ-aminobutyric acid (GABA), resulting in reduced neuronal activity. Barbiturates, a subset of sedatives and hypnotics first synthesized in the late 1800s, are categorized into ultra-short, short, intermediate, and long-acting groups based on their duration of effect. A key...
Sedatives and Hypnotics: Overview01:23

Sedatives and Hypnotics: Overview

Sedatives are drugs that alleviate anxiety, while hypnotics induce sleep. Both classes of medication suppress neuronal activity, leading to a calming effect for sedatives and facilitating sleep for hypnotics.
Sedative-hypnotics are categorized into barbiturates, benzodiazepines (BZDs), and non-benzodiazepines or Z-drugs. These drugs work by suppressing central nervous system activity, and this suppression is dose-dependent. Older sedative medications, like barbiturates, follow a linear curve in...

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Related Experiment Video

Updated: May 26, 2026

Meta-Analysis of the Effectiveness and Safety of Shugan Jieyu Capsules for the Treatment of Insomnia
04:34

Meta-Analysis of the Effectiveness and Safety of Shugan Jieyu Capsules for the Treatment of Insomnia

Published on: February 17, 2023

Minimal interventions to decrease long-term use of benzodiazepines in primary care: a systematic review and

Kayalvili Mugunthan1, Treasure McGuire, Paul Glasziou

  • 1Bond University, Gold Coast, QLD, Australia. kmugunth@bond.edu.au

The British Journal of General Practice : the Journal of the Royal College of General Practitioners
|December 14, 2011
PubMed
Summary
This summary is machine-generated.

Minimal interventions like a letter or GP consultation effectively reduce long-term benzodiazepine (BZD) use in primary care. This strategy helps patients decrease or stop BZD medication without adverse effects.

Related Experiment Videos

Last Updated: May 26, 2026

Meta-Analysis of the Effectiveness and Safety of Shugan Jieyu Capsules for the Treatment of Insomnia
04:34

Meta-Analysis of the Effectiveness and Safety of Shugan Jieyu Capsules for the Treatment of Insomnia

Published on: February 17, 2023

Area of Science:

  • Geriatric Medicine
  • Pharmacology
  • Evidence-Based Practice

Background:

  • Long-term benzodiazepine (BZD) use is prevalent, particularly among older adults.
  • Such use is often ineffective and carries significant risks, including dependence.
  • Addressing long-term BZD use is a critical issue in primary care.

Purpose of the Study:

  • To systematically review randomized controlled trials (RCTs) on minimal interventions for reducing long-term BZD use.
  • To evaluate the effectiveness of brief interventions in primary care settings.

Main Methods:

  • Systematic review and meta-analysis of RCTs conducted in UK general practices.
  • Searched databases (Cochrane Central, MEDLINE, Embase) for trials involving patients with long-term BZD use (>3 months).
  • Analyzed minimal interventions such as a single letter or GP consultation, calculating pooled risk differences.

Main Results:

  • Three studies (615 patients) met inclusion criteria.
  • Minimal interventions significantly reduced or ceased BZD consumption compared to usual care (RR = 2.04, P<0.001; RR = 2.4, P=0.008).
  • Intervention groups showed significant proportional BZD reduction and improved general health status.

Conclusions:

  • Brief interventions (letter or single GP consultation) are effective for long-term BZD users.
  • This strategy efficiently decreases or stops BZD medication.
  • Interventions are safe, with no reported adverse consequences.