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Related Concept Videos

Anorexia Nervosa01:28

Anorexia Nervosa

Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Bulimia Nervosa01:30

Bulimia Nervosa

Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
Binge Eating Disorders01:23

Binge Eating Disorders

Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
Gastritis III: Clinical Manifestations and Management01:23

Gastritis III: Clinical Manifestations and Management

The clinical manifestations of gastritis can vary depending on the cause and type of gastritis, but some common symptoms may include the following.
Clinical manifestations of acute gastritis
The patient with acute gastritis may have a rapid onset of symptoms, such as epigastric pain or discomfort, dyspepsia, anorexia, hiccups, or nausea and vomiting, which can last from a few hours to a few days. Erosive or hemorrhagic gastritis may cause bleeding, which may manifest as blood in vomit or as...
Pathophysiology of Vomiting01:22

Pathophysiology of Vomiting

Vomiting is a complex physiological response to expel harmful or irritating substances from the body. It's a defensive mechanism triggered by stimuli like poisons, microbial toxins, cytotoxic drugs, and mechanical abdominal distension. The process is centrally coordinated by the vomiting (or emetic) center located in the medulla of the brainstem. This area, rich in muscarinic M1, histamine H1, neurokinin 1 (NK1), and serotonin 5-HT3 receptors, coordinates the act of vomiting through interaction...
Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin, heparin),...

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Related Experiment Video

Updated: Jun 18, 2026

Assessing Activity-based Anorexia in Mice
08:26

Assessing Activity-based Anorexia in Mice

Published on: May 14, 2018

[Histamine intolerance mimics anorexia nervosa].

I Stolze1, K-P Peters, R A Herbst

  • 1Klinik für Dermatologie und Allergologie, Klinikum Bayreuth GmbH, Bayreuth. Stolze_I@klinik.uni-wuerzburg.de

Der Hautarzt; Zeitschrift Fur Dermatologie, Venerologie, Und Verwandte Gebiete
|November 13, 2009
PubMed
Summary
This summary is machine-generated.

Histamine intolerance, a condition causing various symptoms, was diagnosed in a patient after dietary changes led to symptom improvement. This diagnosis should be considered alongside anorexia nervosa.

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Area of Science:

  • Clinical immunology
  • Gastroenterology
  • Allergy research

Background:

  • Histamine intolerance is a complex condition with diverse clinical presentations.
  • Accurate diagnosis can be challenging due to its heterogeneous nature.

Observation:

  • A patient presented with a multi-year history of weight loss, diarrhea, abdominal pain, headaches, flushing, and bronchial asthma.
  • These symptoms significantly impacted the patient's quality of life.

Findings:

  • A histamine-poor diet resulted in significant weight gain and amelioration of all reported signs and symptoms.
  • These positive outcomes strongly support a diagnosis of histamine intolerance.

Implications:

  • Histamine intolerance should be considered in the differential diagnosis for patients presenting with symptoms overlapping with anorexia nervosa.
  • This case highlights the importance of dietary interventions in managing histamine intolerance.