How Does an Allergy Develop in Your Body?| Histamine & Allergic Reactions Explained | Dr. Gayatri
Every day, we breathe in dust, pollen and other environmental allergens. While most people tolerate these substances, the immune system of an allergic individual may respond differently, triggering a chain of reactions that leads to familiar allergy symptoms.
In this educational video, Dr. Gayatri S. Pandit, Consultant ENT & Allergy Specialist, explains the science behind allergic reactions and how the immune system responds when it encounters an allergen.
From dendritic cells and T-cells to IgE antibodies and mast cells, discover how the body's immune response can trigger sneezing, itching, a watery nose and breathing difficulties.
🔬 What You'll Learn in This Video
How dust and pollen enter the respiratory system
The role of dendritic cells in recognizing allergens
How helper T-cells influence the immune response
The difference between IgG and IgE responses discussed in the video
How IgE antibodies interact with mast cells
Why mast cells release histamine and other inflammatory mediators
How eosinophils and leukotrienes contribute to the later allergic response
Why the nasal lining and airways become swollen
How allergic reactions can lead to breathing difficulties
Understanding the Allergy Process
Allergen Exposure → Immune Recognition → IgE Production → Mast Cell Activation → Histamine Release → Allergy Symptoms
Understanding the mechanism behind allergies is an important step towards recognizing symptoms and seeking appropriate medical care.
About the Doctor
Dr. Gayatri S. Pandit
Consultant ENT & Allergy Specialist
For persistent sneezing, nasal itching, watery nose, congestion or breathing-related allergy symptoms, consult a qualified specialist for proper evaluation and management.
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