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Related Concept Videos

Toxic Reactions: Overview01:26

Toxic Reactions: Overview

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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,...
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Types of Toxins01:36

Types of Toxins

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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...
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Antidotes01:17

Antidotes

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Antidotes are medicinal substances used to counteract the harmful effects of toxins or drugs in the body. They function in various ways, each uniquely designed to combat specific toxic compounds.
Specific antidotes operate by inhibiting the enzymes that control biochemical pathways, reducing the production of harmful metabolites.
An example of an antidote is atropine, which counteracts the detrimental effects of cholinesterase inhibitors. It achieves this by deactivating muscarinic receptors,...
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Prevention of Further Absorption of Poison01:14

Prevention of Further Absorption of Poison

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In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
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Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

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Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
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Preclinical Development: Overview01:28

Preclinical Development: Overview

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Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
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Updated: Aug 24, 2025

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC
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Toxicology Case Presentations.

M Judith Radin1, Maxey L Wellman1

  • 1Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43214, USA.

The Veterinary Clinics of North America. Small Animal Practice
|October 21, 2022
PubMed
Summary
This summary is machine-generated.

Many common household items are toxic to pets. This study details six cases of poisoning in dogs and cats from ingesting xylitol, toxic mushrooms, rodenticide, zinc, vitamin D, and lilies.

Keywords:
CalcipotrieneLilyMushroomRodenticideToxicityXylitolZinc

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Area of Science:

  • Veterinary Toxicology
  • Small Animal Medicine

Background:

  • Household products, medications, and plants pose significant poisoning risks to pets.
  • Pet owners often lack awareness of common toxic substances.

Purpose of the Study:

  • To present six cases of toxicoses in dogs and cats.
  • To detail clinical and laboratory findings associated with specific toxin ingestions.
  • To explain laboratory changes based on toxin mechanisms and affected organ systems.

Main Methods:

  • Case study review of six pets with confirmed toxic ingestions.
  • Analysis of clinical signs and diagnostic laboratory data.
  • Correlation of laboratory findings with known toxicological mechanisms.

Main Results:

  • Xylitol ingestion caused hypoglycemia and hepatic dysfunction.
  • Amatoxin mushroom ingestion led to severe liver damage.
  • Anticoagulant rodenticide exposure resulted in coagulopathy.
  • Zinc toxicity manifested with gastrointestinal and hemolytic effects.
  • Vitamin D toxicosis caused hypercalcemia and renal failure.
  • Lily ingestion resulted in acute kidney injury in cats.

Conclusions:

  • Early recognition of clinical signs and characteristic laboratory abnormalities is crucial for diagnosing pet poisonings.
  • Understanding the mechanism of action of toxins aids in interpreting laboratory data and guiding treatment.
  • Preventative education for pet owners regarding household toxins is essential.