Sinusitis is inflammation of the sinus cavities. It is usually associated with infection. The sinus cavities are air-filled spaces in the skull.
Acute sinusitis lasts for less than three weeks. Chronic sinusitis is diagnosed when symptoms last for at least three months. You may have recurrent sinusitis if you have repeated bouts of acute sinusitis.
Copyright © Nucleus Medical Media, Inc.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.