Apr 14, 21 · A sinus infection typically causes a buildup of mucus as the body tries to rid itself of the infectious agent That shows up as discharge – snot or mucus –Feb 13, · The mucus produced by your sinuses usually drains into your nose through small channels In sinusitis, these channels become blocked because the sinus linings are inflamed (swollen) Signs and symptoms Sinusitis usually occurs after an upper respiratory tract infection, such as a cold If you have a persistent cold and develop the symptomsFeb 10, 21 · A sinus is a hollow, airfilled cavity For the purposes of this article, a sinus will refer to those hollow cavities that are in the skull and connected to the nasal airway by a narrow hole in the bone (ostium) Normally all sinuses are open to the nasal airway through an ostium Humans have four pair of these cavities each referred to as the Sinus Infection Sinusitis Antibiotic Use Cdc Sinus rhythm
