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Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...
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Studies that assess how a drug is absorbed, distributed, metabolized, and excreted (ADME) at toxic doses are termed toxicokinetics. Understanding toxicokinetics helps predict adverse drug reactions (ADRs) and manage toxicity in humans.Toxicokinetics differs from pharmacokinetics mainly in the dose levels studied, with toxicokinetics focusing on higher toxic doses. The kinetics at these levels can be non-linear due to altered physiological processes. Toxicodynamics examines the relationship...
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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...
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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...
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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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This review covers forensic toxicology, focusing on identifying poisonous substances and their effects. It highlights common poisons in India and relevant Indian Penal Code laws.

Keywords:
Aluminum phosphidebarbituratesorganophosphatespoisontoxicology

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Area of Science:

  • Forensic toxicology
  • Environmental chemistry
  • Pharmacology

Background:

  • Forensic toxicology investigates toxic substances, poisonous products, and environmental chemicals.
  • It is crucial for identifying poisons and hazardous materials.
  • Understanding substance absorption, distribution, metabolism, and elimination is key.

Purpose of the Study:

  • To review the manifestations of various poisonous substances.
  • To concentrate on commonly used poisons, particularly in India.
  • To explain the aspects of the Indian Penal Code related to poison.

Main Methods:

  • Literature review of poisonous substance manifestations.
  • Focus on prevalent poisons in the Indian context.
  • Analysis of relevant sections within the Indian Penal Code.

Main Results:

  • Detailed review of symptoms and effects of common poisons.
  • Identification of frequently encountered toxic substances in India.
  • Explanation of legal provisions concerning poisoning under Indian law.

Conclusions:

  • Forensic toxicology is vital for identifying and understanding poisons.
  • Knowledge of common Indian poisons and the Indian Penal Code is essential for legal and medical professionals.
  • This review provides a comprehensive overview for practitioners in India.