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Related Concept Videos

Toxic Reactions: Overview01:26

Toxic Reactions: Overview

When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
Drug Toxicity: Dose-Dependent Reactions01:24

Drug Toxicity: Dose-Dependent Reactions

Drug toxicities can be stratified into pharmacological, pathological, or genotoxic based on their mechanisms. The incidence and severity of these toxicities generally increase with the drug's concentration in the body and exposure time.Pharmacological toxicity is evident when the therapeutic effects of drugs overshoot into adverse reactions in a predictable, dose-dependent manner. Central nervous system (CNS) depression from barbiturates is a classic example, with effects escalating from...
Toxidromes: Clinical Features01:30

Toxidromes: Clinical Features

Toxidromes are specific patterns of symptoms resulting from toxic substance exposure. They help in the identification and treatment of poisoning. The symptoms of each toxidrome group indicate poisoning by a certain class of chemicals or drugs.1. Sympathomimetic: Stimulates the sympathetic nervous system. Symptoms include agitation, increased heart rate (HR), blood pressure (BP), respiratory rate (RR), temperature, and pupil size. Drugs like cocaine and amphetamines, along with tremors and...
Types of Toxins01:36

Types of Toxins

Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Drug Toxicity: Overview01:00

Drug Toxicity: Overview

Drug toxicity quantifies the harm a compound causes to an organism, varying by dose and potentially impacting whole systems or specific organs like the liver. Toxic reactions may arise from venomous insect or spider bites, with effects ranging from mild symptoms to severe outcomes such as brain damage or death. Common forms of acute poisoning include ethanol intoxication and overdose of pain or fever medications, with substances like GHB and heroin being particularly lethal at doses close to...
Pharmaceutical Poisoning: Potential Scenarios01:26

Pharmaceutical Poisoning: Potential Scenarios

Pharmaceutical poisoning can occur through various channels, impacting an estimated 2 million hospitalized patients in the U.S. annually with serious adverse drug responses. These scenarios encompass both therapeutic uses, such as drug toxicity, where even standard dosages can lead to severe central nervous system depression, and non-therapeutic exposures, including accidental ingestion by children, and environmental and occupational exposures.Unintentional poisonings often involve exploratory...

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Related Experiment Video

Updated: Jul 10, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder
09:55

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Published on: March 8, 2018

Psychiatric issues in toxic exposures.

James S Brown1

  • 1Department of Psychiatry, Virginia Commonwealth University School of Medicine, Richmond, VA 23113, USA. jbrown2185@aol.com <jbrown2185@aol.com>

The Psychiatric Clinics of North America
|October 17, 2007
PubMed
Summary

Military events can cause toxic injuries requiring psychiatric care. This review covers psychiatric effects of neurotoxins like nerve agents and heavy metals, with diagnostic insights.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Toxicology

Background:

  • Military, occupational, and environmental exposures can lead to toxic injuries with significant psychiatric manifestations.
  • Neurotoxins encompass a wide range of agents, including chemical warfare agents, pesticides, heavy metals, and solvents.
  • These exposures necessitate specialized psychiatric diagnosis and treatment protocols.

Purpose of the Study:

  • To review the psychiatric effects of various neurotoxins.
  • To discuss diagnostic considerations for toxic-induced psychiatric conditions.
  • To outline clinical evaluation methods for patients with suspected toxic exposures.

Main Methods:

  • Literature review of psychiatric effects of neurotoxins.
  • Synthesis of diagnostic challenges and approaches.

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Last Updated: Jul 10, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder
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Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

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  • Discussion of clinical testing for psychiatric symptoms related to toxic exposure.

    • Main Results:

    • Neurotoxins can induce a spectrum of psychiatric conditions, including anxiety, depression, psychosis, and cognitive deficits.
    • Specific neurotoxins have distinct psychiatric profiles and latency periods.
    • Accurate diagnosis requires careful consideration of exposure history and targeted clinical evaluations.

    Conclusions:

    • Psychiatric evaluation is crucial for individuals with potential toxic exposures.
    • Understanding the neurotoxicological basis of psychiatric symptoms aids in diagnosis and management.
    • Further research is needed to refine diagnostic tools and treatment strategies for toxic-related psychiatric disorders.