Translate sinusitis. see authoritative translations of sinusitis in english with example sentences and audio pronunciations. Common causes of chronic sinusitis include: 1. nasal polyps. these tissue growths can block the nasal passages or sinuses. 2. deviated nasal septum. a crooked septum — the wall between the nostrils — may restrict or block sinus passages, making the symptoms of sinusitis worse. 3. other medical conditions. the complications of conditions such as cystic fibrosis, hiv and other immune system-related diseases can lead to nasal blockage. 4. respiratory tract infections. infections in your respirat Sinus Translation In Polish Bab La Sinusitis Amboss A sinus english sinusitis infection, also called sinusitis, is a common and painful condition that causes stuffy, painful pressure in the nasal cavity. sinusitis affects around 31 million people in america each. Sinus infections (sinusitis) is when cavities around the nasal passages become inflamed. learn about the sym...