If dust - proofing your house and taking antihistamines do nt make you feel better, you may have a condition called chronic
nonallergic rhinitis, a swelling of your nasal lining and passages that leaves you congested and drippy.
Objectives: This study investigated comorbidity in chemical intolerance (CI) and building - related intolerance (BRI) with (i) chronic sinusitis, chronic obstructive pulmonary disease, allergic and
nonallergic asthma and allergic
rhinitis, and (ii) airway inflammatory symptoms.