Sneezing is an involuntary burst of air forced from your lungs through your nose and mouth. It usually happens when things like dust, pollen or viruses irritate the mucus membranes that line your nose …

A sneeze expels air forcibly from the mouth and nose in an explosive, spasmodic involuntary action. This action allows for mucus to escape through the nasal cavity and saliva to escape from the oral …

Jan 27, 2024 · When this happens, your body does what it needs to do to clear the nose — it causes a sneeze. A sneeze is one of your body’s first defenses against invading bacteria and bugs.

Nov 1, 2024 · It helps the body expel infections and irritants. This article looks at different causes of sneezing, tips to relieve sneezing, treating underlying causes, and when to contact a doctor....

Nov 15, 2025 · Sneezing helps expel harmful substances from the nose. Sneezing can be caused by allergies, infections, or dry air. Holding in a sneeze can cause damage to the eardrums or blood …

4 days ago · Frequent sneezing is usually allergies or a cold, but other triggers exist. Learn what’s behind your sneezes and when it’s worth seeing a doctor.

When you feel a sneeze coming on, there’s not much you can do to stop it—especially if you’re suffering from a cold or seasonal allergies. And you can’t control how loud you sneeze, try as you might.

Feb 8, 2026 · It is one of the most powerful involuntary actions the human body can perform. But is a big sneeze a sign of illness, pollution or something else entirely?

Jun 9, 2025 · First, a sneeze starts in your nerves. When the lining of your nose gets irritated—from a cold, pollen, dust, smoke, pepper, etc.—your body goes into reaction mode. Your “sneeze center,” …

Nov 23, 2020 · What you need to know about sneezes, including how and why you sneeze, common irritants, and how to avoid spreading germs.