Blocked tear ducts

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Learn about what a blocked tear duct is, what causes it and the different treatments that may be recommended.

Key points

  • A blocked tear duct stops the flow of tears from the eye down the lacrimal duct into the nose.
  • Extra tears are not always caused by blocked tear ducts.
  • There are many treatments for blocked tear ducts. Your child will only have surgery if other medical treatments do not work.
Last updated: June 28th 2023