1. The importance of rhinitis -- 2. Causes of rhinitis -- 3. Making a diagnosis : history -- 4. Examination -- 5. Investigations -- 6. Airway tests -- 7. Tests of the mucociliary apparatus, inflammation and cystic fibrosis -- 8. Imaging -- 9. Other tests -- 10. Appendix 1. Oral allergy syndrome -- 11. Appendix 2. A guide for aspirin-sensitive patients -- 12. Appendix 3. Sino-nasal outcome test -- 13. Appendix 4. A. Paediatric rhinitis history sheet ; B. Adult rhinitis history sheet ; C. Middle ear dysfunction rhinitis history sheet -- 14. Appendix 5. Suppliers of rhinology equipment -- 15. Appendix 6. Normal values for peak expiratory flow rate: A. Adults ; B. Children -- 16. Appendix 7. Investigation of smell disorders.