Figure 2From: Multi-symptom asthma is closely related to nasal blockage, rhinorrhea and symptoms of chronic rhinosinusitis-evidence from the West Sweden Asthma Study Venn diagram describing the frequency of reported allergic rhinitis, nasal blockage and/or rhinorrhea in the non-asthma, fewer-symptom asthma and multi-symptom asthma groups. The diagram illustrates that more subjects in the multi-symptom asthma group have multiple nasal symptoms.Back to article page