Allergy

Definitions Allergy – Inappropriate immune response to normally harmless allergen. Allergen – Foreign particles which produce an IgE-mediated hypersensitivity reaction in sensitive individuals. Atopy – genetic predisposition to exaggerated immune responses Pathology Individuals are...

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Asthma

Introduction Asthma is a chronic lung condition in which there is chronic inflammation of the airways, and hypersensitivity of the airways. Symptoms include wheeze, cough, chest tightness and SOB (dyspnoea). It is often worse...

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