Nasal congestion
Anosmia (loss of sense of smell)
Sinusitis
Secondary infection which can lead to headaches
Snoring may occur while sleeping
Facial changes are not common, but are can occur
Nose bleeds
Coryza
The exact cause for nasal polyps is unknown; however, they are commonly thought to be caused by:
Asthma
Cystic fibrosis
Exposure to some forms of chromium
There are a few illnesses that can be associated with nasal polyp formation:
Asthma
Chronic rhinosinusitis
Aspirin intolerance
Kartagener's syndrome
Young's syndrome
Churg-Strauss syndrome
Nasal Mastocytosis
Cystic fibrosis