What is it With Allergies and Sneezing?
One of the most common (and annoying) symptoms of allergies is the sneeze. Allergens can make you sneeze once, twice or even repeatedly. Here’s why:
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You know that feeling, when your nose starts to twitch and you feel a sneeze coming on? That’s when your immune system detects and reacts to allergens in the air that are usually harmless.
As soon as you come into contact with the allergens, your immune cells release a chemical called histamine.
When your body reacts to the histamine, your nasal passages swell up, and your nose and throat become itchy. This is when your brain tells the muscles in your chest to contract. Your eyes and soft palate close, and you sneeze.
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