Health A-Z

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When to Call A Doctor

Call your doctor whenever you or someone in your family develops a fever or becomes very sick (fever, severe weakness, severe headache) after:

  • A flea bite or any unidentified insect bite

  • Exposure to a sick or dead animal, even a pet cat

  • Travel or work in areas where rodent burrows and nests are common

  • Travel to the high-risk areas of the Southwestern United States or to countries where plague is most common

Also call your doctor if you develop a painful, swollen lymph node, especially if you have recently been bitten by an insect.

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

You can find more great health information on the Harvard Health Publications website.