Sun sneezing is sneezing that occurs when you go into the sun or bright lights. It is also known as photic sneezing and it is common in babies.This pages answers these questions:
It is a reflex response where the baby or child sneezes when exposed to sunlight. It is also known as photic sneezing so they refer to the same thing.
It is said to occur in 10-30% of the population and runs in families. It occurs more in people of European descent than in those of African or Asian descent.
Most people believe that signals from the brain are mixed up so that signals telling the brain there is light end up telling the body to sneeze.
No. It is not harmful and it doesn't mean your baby has a cold or other infection.
No. Often the photic sneezing reflex will cause consecutive sneezes, not just one sneeze.
Yes. ACHOO stands for Autosomal dominant Compelling HelioOphthalmic Outburst - it's just a fancy name for sun sneezing!
Last reviewed 6 June 2011
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