Sinus infections are not only uncomfortable, they can also be a symptom of Sinusitis, or inflammation of the sinuses that prevents mucus from draining properly. If you are experiencing recurring or chronic sinus infections, nasal congestion, headaches, or facial pain, you may have Sinusitis.
Sinusitis is a term which refers to inflammation of the lining of the sinuses. This lining is called mucosa. When the mucosa gets inflamed obstruction of the sinus drainage pathways can occur. Things that can trigger inflammation of the mucosa are a cold, allergies, a deviated septum, reflux disease, nasal polyps and certain chronic diseases.