BLOOD TRANSFUSION (HEMATOTRANSFUSION) TYPES OF ALLERGIES
Keywords:
allergies, hypersensitivity, allergens, immune response, anaphylaxis, food allergy, drug allergy, respiratory allergy, dermatological reactions, immunology.Abstract
Allergies are hypersensitive immune responses to substances that are typically harmless to most individuals. These substances, known as allergens, can include foods, medications, environmental factors, and insect venoms. Allergic reactions vary in severity, ranging from mild symptoms such as itching and sneezing to severe, life-threatening conditions like anaphylaxis. Allergies are commonly classified into different types based on the underlying immunological mechanisms and routes of exposure. This article examines the major types of allergies, their causes, clinical manifestations, diagnostic approaches, and management strategies. Understanding the classification and mechanisms of allergies is essential for effective prevention, accurate diagnosis, and appropriate treatment.
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