Book excerpt: Allergic rhinitis, rhinoconjunctivitis and asthma are some of the most common presenting problems in clinical practice. While standard pharmacotherapy can control the symptoms of these respiratory allergies in most cases, accurate and specific diagnosis enables the implementation of allergen avoidance and allergen-specific immunotherapy. 'Fast Facts: Respiratory Allergies' provides: • the basic principles of allergy and its role in these common respiratory conditions • a better understanding of the distribution and seasonality of aeroallergens • the tools to obtain a comprehensive respiratory allergy history • an overview of diagnostic tests and the latest treatment options. This handy, fast-reference resource is ideal for all primary care providers, general internal medicine doctors and allied health professionals looking to reduce their patients’ medication requirements and treatment side effects and ultimately improve their quality of life. Table of Contents: • Epidemiology, etiology and pathophysiology • Aeroallergens • Diagnosis • Management • Delivery of medication • Future directions