The sinuses are air-filled spaces in the skull (behind the forehead, nasal bones, cheeks, and eyes) that are lined with mucus membranes. Healthy sinuses contain no bacteria or other germs. Usually, mucus is able to drain out and air is able to circulate.
Click here to Save $2.00 on Aleve-D
Causes
Sinus pressure and congestion can occur when the sinus openings become blocked from too much mucus build-up. This blockage can be a result of colds and allergies.
Sinus pressure can also result from swelling in the nasal passages. Nasal swelling and congestion can be caused by colds and allergies.
Treatment
The following treatment options may help reduce pressure and congestion in your sinuses:
Sourced from:
Medline Plus, U.S. National Library of Medicine, National Institutes of Health
http://www.nlm.nih.gov/medlineplus/ency/article/003049.htm