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Related Concept Videos

Allergic Drug Reactions01:27

Allergic Drug Reactions

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Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing...
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Drug Excretion: Miscellaneous Routes01:10

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Drug excretion involves various organs, including the liver, intestines, skin, and eyes. In the case of drugs or toxins, they can be actively secreted into bile by transporters in the hepatocyte's canalicular membrane. These substances enter the GI tract during digestion and may be reabsorbed into the body from the intestine. This process, known as enterohepatic recycling, can significantly prolong the presence and effects of a substance in the body. To interrupt this cycle, specific...
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Skin Diseases and Disorders01:23

Skin Diseases and Disorders

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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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Non-Oral Extravascular Drug Absorption Routes01:15

Non-Oral Extravascular Drug Absorption Routes

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Non-oral extravascular routes, which encompass sublingual, buccal, topical, intramuscular, and inhalation methods, primarily utilize passive diffusion to transport drugs into the systemic circulation. The absorption rates and effectiveness of these routes depend on the drug's physicochemical properties, as well as the patient's anatomical and pathophysiological state.
Lipophilic drugs that are stable at salivary pH (6) and exhibit minimal binding to the oral mucosa are absorbed more...
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Drug Metabolism: Phase II Reactions01:14

Drug Metabolism: Phase II Reactions

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Phase II reactions are essential for the detoxification and elimination of drugs from the body. These reactions involve the conjugation of parent drugs or their phase I metabolites with endogenous molecules, resulting in more hydrophilic drug conjugates. The primary conjugation reactions in this phase are sulfation and glucuronidation. Both sulfation and glucuronidation typically produce biologically inactive metabolites. However, in some cases involving prodrugs, active metabolites may be...
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Hypersensitivities01:30

Hypersensitivities

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Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
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Related Experiment Video

Updated: Jan 4, 2026

Visualizing and Quantifying Pharmaceutical Compounds within Skin using Coherent Raman Scattering Imaging
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Visualizing and Quantifying Pharmaceutical Compounds within Skin using Coherent Raman Scattering Imaging

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[Cutaneous drug reactions].

J-L Bourrain1

  • 1Allergologie, Hôpital Arnaud de Villeneuve, CHU de Montpellier, 371, avenue du Doyen-Gaston-Giraud, 34295 Montpellier cedex, France.

Annales De Dermatologie Et De Venereologie
|November 2, 2019
PubMed
Summary
This summary is machine-generated.

Cutaneous drug reactions, ranging from mild rashes to severe conditions like anaphylactic shock, require careful management. Early diagnosis through history and lesion description, alongside advanced allergological investigations, is crucial for effective patient care.

Keywords:
AllergieAllergyCutaneous drug reactionEffet secondaireHypersensibilitéHypersensitivityIatrogenicIatrogénieSide effectToxidermie ;

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Area of Science:

  • Dermatology
  • Allergology
  • Pharmacology

Background:

  • Cutaneous drug reactions are frequent reasons for medical consultations.
  • These reactions encompass a spectrum from benign rashes to life-threatening conditions such as anaphylactic shock and epidermal necrolysis.
  • Effective management from the outset is essential.

Purpose of the Study:

  • To emphasize the importance of accurate history taking and semiological description in managing cutaneous drug reactions.
  • To highlight the advancements in allergological investigations for these reactions.
  • To identify future challenges in the field, including biotherapies and drug habituation protocols.

Main Methods:

  • Review of clinical presentations and diagnostic approaches for cutaneous drug reactions.
  • Emphasis on the role of patient history and physical examination in diagnosis.
  • Discussion of evolving diagnostic tools and techniques in allergology.

Main Results:

  • History taking and precise semiological description are critical for patient recommendations.
  • Allergological investigation methods have significantly advanced.
  • New drug classes and treatment protocols present ongoing challenges.

Conclusions:

  • Prompt and accurate diagnosis of cutaneous drug reactions is vital for appropriate patient management.
  • Continued development and application of advanced diagnostic techniques are necessary.
  • The field must adapt to emerging drug therapies and treatment strategies.