treatment plan blocked or clogged nasal passageway – View reference American College of Allergy, Asthma & Immunology sinus infection sinus infection Sinusitis (ACAAI) Sinusitis (ACAAI) Sinus infection of the sinuses SINUSITIS acaai.org acaai.org sinus infections American College of Allergy, Asthma & Immunology http://acaai.org/allergies/types/sinus-infection infection of the sinuses SINUSITIS 31 million http://acaai.org/allergies/types/sinus-infection http://acaai.org/allergies/types/sinus-infection Acaai.org: Sinus Information Sinusitis Information http://acaai.org/allergies/types/sinus-infection prescribe http://acaai.org/allergies/types/sinus-infection Infection Nasal passageway problem http://acaai.org/allergies/types/sinus-infection