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Definition A sneeze is a sudden, forceful, involuntary burst of air through the nose and mouth. See also: Allergen Allergic rhinitis Allergy to mold, dander, dust Allergy and asthma resources Common cold Vasomotor rhinitis Alternative Names Sternutation Considerations Sneezing iscaused by irritation to the mucous membranes of the nose or throat. It can be very bothersome, but is generally not a sign of a serious problem. Common Causes Allergy to pollen, mold, dander, dust ( hay fever ) Corticosteroid inhalation (from certain nose sprays) Drug withdrawal Nasal irritants such as dust and powders Virus infections (common cold, upper respiratory tract infections, the flu)
Sneezing is a universal reflex which has many different styles and intensities but in most people, serves the same purpose. The first sneeze may occur at any age often starting in infancy. Although sneezing can be annoying, especially when it occurs repetitively, it is an important defense mechanism.
Why do we sneeze?
Sneezing is a reflex response (occurs without conscious thought, through nerve networks between the brain and the upper airway) to a trigger which is often an aerosolized particle. It begins with a trigger stimulating nerve endings in the upper respiratory tract. The upper respiratory tract (URT) includes the nose, mouth, sinuses and throat.
Have you ever eaten something that made you sneeze? The reason why this occurs is because there are nerve based sensors in the nose and throat area which upon being stimulated by certain substances, rapidly send signals to the sneeze center of the brain. The sneeze center is located in an area of the brai...
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