Table 2 Diagnostic Tests to Exclude Other Forms of Rhinitis[4]
CT imaging of the paranasal sinuses |
Assays for specific IgE sensitivity (a) Skin testing (b) Serum testing (c) Local (nasal) testing (entopy)[2] |
Nasal cytology |
Intranasal allergen challenge |
Ingestion challenge (gustatory rhinitis) |
Thyroid function testing |