 [ Symptoms ] air comes out of my tear duct when i blow my nose its been happening for a few months now but when i laugh or blow my nose air comes out on my right tear duct what causes that why is there air or anything coming out out my eye other than tears and eye boogers its a little uncomfortable and i would love to know why this is happening thank in advance [ Disease ] migraines run in families and a genetic link has been identified but it is not entirely clear why some people get migraines and others do not experts are not sure what causes migraines webmd medical reference from healthwise this information is not intended to replace the advice of a doctor healthwise disclaims any liability for the decisions you make based on this information © 1995 2011 healthwise incorporated healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated