When are lab studies indicated in the workup of epistaxis (nosebleed)?

Updated: May 08, 2020
  • Author: Quoc A Nguyen, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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For the most part, laboratory studies are not needed or helpful for first-time nosebleeds or infrequent recurrences with a good history of nose picking or trauma to the nose. However, they are recommended if major bleeding is present or if a coagulopathy is suspected.

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