Allergic Reactions and Other Hypersensitivity Disorders

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• Overview of Allergic Reactions
  • Causes
  • Symptoms
  • Diagnosis
    • Skin testing
    • Allergen-specific serum IgE tests
    • Provocative testing
  • Prevention
    • Environmental measures
    • Allergen immunotherapy (desensitization)
  • Treatment
    • Antihistamines
    • Mast cell stabilizers
    • Corticosteroids
    • Other medications
    • Emergency treatment
    • Treatment of allergies during pregnancy and breastfeeding

• Anaphylactic Reactions
  • Causes
    • Anaphylactoid reactions
  • Symptoms
  • Diagnosis
  • Treatment
  • Prevention

• Angioedema
  • Acute angioedema
  • Chronic angioedema
  • Symptoms
  • Diagnosis
  • Treatment
    • Emergency treatment

• Hereditary and Acquired C1 Inhibitor Deficiency and Dysfunction
  • Symptoms
  • Diagnosis
  • Treatment
    • Emergency treatment
    • Medications to prevent attacks of angioedema

• Autoimmune Disorders
  • Causes
  • Symptoms
  • Diagnosis
  • Treatment
    • Medication treatment
    • Plasma exchange and intravenous immune globulin
  • Prognosis

• Exercise-Induced Allergic Reactions
  • Diagnosis
  • Treatment

• Food Allergy
  • Other reactions to food
  • Causes
    • Alpha-gal syndrome
    • Oral allergy syndrome
    • Eosinophilic gastroenteropathy
  • Symptoms
  • Diagnosis
  • Treatment
    • Other medications for food allergies
    • Allergen immunotherapy (desensitization)
  • Prevention

• Mastocytosis
  • Types of mastocytosis
  • Symptoms
  • Diagnosis
  • Treatment

• Physical Allergy
  • Causes
  • Symptoms
  • Diagnosis
  • Treatment

• Allergies to Drugs
  • More Information

• Seasonal Allergies
  • Symptoms
  • Diagnosis
  • Allergy testing
  • Treatment
    • Nasal symptoms
    • Eye symptoms
    • Allergen immunotherapy (desensitization)

• Year-Round Allergies
  • Symptoms
  • Diagnosis
  • Allergy testing
  • Treatment
    • Eye symptoms
    • Allergen immunotherapy (desensitization)
    • Surgery
  • Prevention