Answer 'yes' if you have had any of the following symptoms for ten days or longer.

1. Facial pressure / pain?

2. Headache pain?

3. Congestion or stuffy nose?

4. Thick, yellow-green nasal discharge?

5. Low-grade fever (99-100F)?

6. Bad breath?

7. Pain in upper teeth?

If you answered 'yes' to three or more of the questions, you may have a sinus infection.