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Related Concept Videos

Pharmaceutical Poisoning: Treatment Strategies01:26

Pharmaceutical Poisoning: Treatment Strategies

Treatment strategies for poisoning are a critical aspect of emergency medicine, focusing on preventing the absorption of toxins and enhancing their elimination. When a poisoning incident occurs, the first response is to halt exposure and decontaminate the patient, particularly through gastrointestinal (GI) methods if the poison was ingested.Gastrointestinal Decontamination Techniques:Activated charcoal is the cornerstone of GI decontamination. It works through adsorption, binding the toxin 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...
Anticholinesterase Agents: Poisoning and Treatment01:26

Anticholinesterase Agents: Poisoning and Treatment

Anticholinesterases, also known as cholinesterase inhibitors, work by blocking the breakdown of acetylcholine, leading to its accumulation in the synaptic cleft. This accumulation indirectly enhances both muscarinic and nicotinic actions. These agents are classified as reversible or irreversible based on their mechanism of action.     
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is slower than the...
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...
Drug Toxicity: Risk factors01:24

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: 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...

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Related Experiment Video

Updated: Jun 22, 2026

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry
11:14

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry

Published on: October 2, 2016

Acetaminophen overdose in Jamaica.

M O Mills1, M G Lee

  • 1Department of Medicine, The University of the West Indies, Kingston 7, Jamaica, West Indies.

The West Indian Medical Journal
|July 2, 2009
PubMed
Summary

Acetaminophen overdose is a significant risk in parasuicide attempts, predominantly by young women. Early N-acetylcysteine (NAC) treatment is crucial for managing acetaminophen toxicity and preventing severe liver damage.

Area of Science:

  • Toxicology
  • Clinical Medicine
  • Public Health

Background:

  • Acetaminophen (paracetamol) is a common medication associated with intentional self-harm and overdose.
  • Hepatotoxicity is a known dose-dependent risk of acetaminophen ingestion.
  • Parasuicide attempts involving acetaminophen require careful clinical management and public health awareness.

Purpose of the Study:

  • To analyze cases of parasuicide attempts involving acetaminophen at the University Hospital of the West Indies (UHWI), Jamaica.
  • To describe the demographics, clinical presentation, and outcomes of acetaminophen overdose patients.
  • To highlight the need for increased awareness and timely intervention for acetaminophen toxicity.

Main Methods:

  • Retrospective review of 49 parasuicide cases involving acetaminophen treated at UHWI between 1994-2004.

Related Experiment Videos

Last Updated: Jun 22, 2026

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry
11:14

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry

Published on: October 2, 2016

  • Data collected included patient demographics, ingested agents, time to presentation, serum transaminase levels, N-acetylcysteine (NAC) treatment, hospitalization duration, and patient outcomes.
  • Analysis of the role of acetaminophen as a sole agent versus in combination with other drugs.
  • Main Results:

    • The majority of patients were young women (84%, mean age 23 years).
    • Acetaminophen was the sole agent in 71% of cases; 29% involved co-ingestion.
    • Elevated serum transaminases occurred in 18% of cases, with one instance of liver failure and no deaths. NAC therapy was administered to 55% of patients.

    Conclusions:

    • Acetaminophen overdose in parasuicide attempts presents a significant public health concern, particularly among young women.
    • Timely administration of N-acetylcysteine (NAC) is essential for mitigating acetaminophen-induced hepatotoxicity.
    • Enhanced public and medical education is necessary to improve awareness of acetaminophen's toxic potential and promote early treatment-seeking behavior.