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Related Concept Videos

CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
CNS Depressants: Barbiturates and Benzodiazepines01:14

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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...
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Drug Toxicity: Risk factors

Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...
Drug toxicity: Idiosyncratic Reactions01:16

Drug toxicity: Idiosyncratic Reactions

Idiosyncratic drug reactions represent abnormal chemical responses that vary significantly among individuals, ranging from extreme sensitivity to low doses to insensitivity to high doses. These reactions often occur due to the drug's covalent binding with serum proteins, forming a foreign hapten that triggers an immunotoxicological response. The variability in drug reactions has a strong pharmacogenetic foundation, with genetic differences crucial in how individuals metabolize drugs. For...
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Drug toxicity: Drug–Drug Interaction

Drug–drug interactions can precipitate toxicity through multiple mechanisms. Absorption interactions alter how drugs enter the body, exemplified when ranitidine increases the absorption of basic drugs, while cholestyramine decreases the levels of propranolol. Protein binding interactions occur when drugs share the same binding sites on plasma proteins. Drugs like aspirin and warfarin, when bound in excess, can lead to increased free drug concentrations, enhancing the potential for...
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Depressants

Depressant drugs, including alcohol and sedative-hypnotics, diminish central nervous system activity by enhancing the action of gamma-aminobutyric acid (GABA), a neurotransmitter that reduces brain activity and promotes relaxation. These substances can have various therapeutic uses but also pose significant risks, especially when misused or combined.
Alcohol is a common depressant that can induce a sense of relaxation and reduced inhibition at low doses. Contrary to its occasional...

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Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

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Published on: February 6, 2019

[Alcohol intoxication and suicidality].

Tilman Wetterling1, Barbara Schneider

  • 1Klinik für Psychiatrie, Psychotherapie und Psychosomatik, Vivantes Klinikum Hellersdorf, Berlin. tilman.wetterling@vivantes.de

Psychiatrische Praxis
|March 20, 2013
PubMed
Summary
This summary is machine-generated.

Alcohol intoxication significantly impacts suicidal behavior, with over half of individuals admitted for such actions being intoxicated. This highlights a crucial link between alcohol use and the severity of suicidal actions.

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Area of Science:

  • Psychiatry
  • Addiction Medicine
  • Public Health

Context:

  • Suicidal behavior is a significant public health concern.
  • Addictive disorders are known risk factors for suicide.
  • Research specifically examining alcohol's impact on suicidal behavior is limited.

Purpose:

  • To investigate the prevalence of alcohol intoxication among individuals admitted for suicidal behavior.
  • To determine the association between alcohol intoxication and different types of suicidal actions.

Summary:

  • A prospective study in Berlin analyzed 227 admissions for suicidal behavior over 15 months.
  • Over half (54.3%) of patients admitted for suicidal behavior were alcohol-intoxicated (Blood Alcohol Content > 1 g/l).
  • Alcohol intoxication was associated with all forms of suicidal behavior, especially threats, while non-intoxicated patients more frequently had depression or schizophrenia.

Impact:

  • Findings underscore the critical role of alcohol intoxication in suicidal behavior presentations.
  • Highlights the need for integrated screening and intervention for alcohol use in psychiatric emergency settings.
  • Informs public health strategies aimed at reducing suicide rates by addressing alcohol-related risks.