What causes a sneeze?

Question

WHAT IS IT that goes on to actually cause a sneeze? Not interested in answers like "allergies" - that's not what I'm asking.

Answer 1

the sneezing is caused by many environmental factors, they include the particles of dust to common cold virus. the thing involved in sneezing is when the foregin particles settles on the mucosa they cause inflammatory sensation to the nostrils and to expel out the particles from the nostrils, epiglotis closes for a while devoloping preasure and then releasing it at a time comes as sneezing. the sneeze includes some watery or gelly like substances which are formed the secretions of the nostril epithelium tissue.

Answer 2

That's a good question!

Answer 3

Illness causing sneezing:

    * Runny nose

    * Cold-like symptoms

    * Common cold

    * Upper respiratory infection

    * Vasomotor rhinitis

    * Allergic rhinitis

# Allergies

    * Hay fever

    * Pet allergy

    * Pollen allergy

    * Mold allergy # Simple reasons for a sneeze:

    * Pepper

    * Chili powder

    * Reaction to sunlight - some people sneeze when they go into sunlight.

    * Change in air temperature

    * Inhaled fumes

# Pregnancy

# Rhinitis of pregnancy

# Local irritation

# Hyperalgesia of the nasal mucosa

# Measles

# Inhaling fine dust or powders

# Inhaling irritatnt gases

# Nasal allergy  

Answer 4

irritation of the nasl mucosa ,

Answer 5

its an instinctive response to dislodge anything caught in the nasal canal, the little hairs in the nose are "stimulated" then cause this response.

Answer 6

irritations from foreign bacteria induce a human reflex called a sneeze. Your nose becomes irritated from dust particles or bacteria that the body considers harmful, and therefore a reflex happens to expel the particles from the lungs. Also an allergy is in actuality a heightened and unusual response to a foreign material or particle which induces sneezing to rid the body. This only happens when you are breathing in air that is tainted with the particles of your allergen and therefore you will sneeze when confronted with the object in question(e.g. cat dander or dust)and eating a food you are allergic to will instead trigger a more severe allergic reaction most likely with hives and a skin rash(e.g. cat dander will only make you sneeze but eating peanuts(if you're allergic)will trigger an immunologic response and a rash will appear)