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Related Concept Videos

Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
Acne Infection01:27

Acne Infection

Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

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...
Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Hypersensitivities01:30

Hypersensitivities

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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Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
Nociception01:44

Nociception

Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain. Thus, pain helps the...

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Related Experiment Video

Updated: May 29, 2026

Clinical Application of Intense Pulsed Light Therapy and Radio Frequency for Treatment of Ocular Surface Diseases
07:36

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Published on: July 3, 2025

[Sensitive skin and rosacea: nosologic framework].

L Misery1

  • 1Laboratoire de Neurobiologie Cutanée, Université de Brest, France. laurent.misery@chu-brest.fr

Annales De Dermatologie Et De Venereologie
|September 13, 2011
PubMed
Summary
This summary is machine-generated.

Rosacea flushing, a vascular disease, differs from sensitive skin, an epidermal issue. Understanding these distinct conditions is crucial for proper diagnosis and treatment.

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Area of Science:

  • Dermatology
  • Cosmetic Science

Context:

  • Flushing in rosacea shares symptoms with sensitive skin, leading to diagnostic confusion.
  • Both conditions involve acute reactions and abnormal sensations, often triggered by common factors.
  • Understanding the distinct pathophysiology is essential for accurate diagnosis.

Purpose:

  • To differentiate rosacea flushing from sensitive skin.
  • To highlight the distinct characteristics, triggers, and topographical presentation of each condition.
  • To emphasize the importance of correct diagnosis for appropriate management.

Summary:

  • Rosacea is a progressive vascular disease with facial/ocular manifestations triggered by systemic factors, requiring specific medical treatments.
  • Sensitive skin is an epidermal, cosmetic concern with variable progression, triggered by contact factors and presenting ubiquitously.
  • While rosacea treatments can worsen sensitive skin, specific cosmetics improve sensitive skin symptoms.

Impact:

  • Accurate differentiation aids in selecting appropriate treatments, improving patient outcomes.
  • Clarifies the distinct nature of rosacea as a disease versus sensitive skin as a cosmetic concern.
  • Provides a basis for targeted therapeutic and cosmetic strategies.