The basics of sinusitis revere health. Chronic Sinusitis Treatment Symptoms And Causes Common signs and symptoms of chronic sinusitis include: 1. nasal inflammation 2. thick, discolored discharge from the nose 3. drainage down the back of the throat (postnasal drainage) 4. nasal obstruction or congestion, causing difficulty breathing through your nose 5. pain, tenderness and swelling around your eyes, cheeks, nose or forehead 6. reduced sense of smell and tasteother signs and symptoms can include: 1. ear pain 2. aching in your upper jaw and teeth 3. cough or throat clearing 4. Chronic sinusitis is a long-lasting sinus inflammation (swelling) and infection. it can linger over a period of time, typically longer than 12 weeks. the sinuses are four paired cavities (spaces) in the head. these spaces are connected by narrow channels. Sinuses. 1 it can be loosely divided into two subsets: • acute rhinosinusitis symptoms less than 4 weeks in duration. • chronic rhinosinusitis 12 weeks of ...