
Illustration copyright 2000 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com
A sinus headache can be caused by an infection (bacterial or viral) or from allergies. Signs that you have a sinus infection include:
| By | Healthwise Staff |
| Primary Medical Reviewer | William H. Blahd, Jr., MD, FACEP - Emergency Medicine |
| Specialist Medical Reviewer | H. Michael O'Connor, MD - Emergency Medicine |
| Last Revised | April 17, 2012 |