This comprehensive resource provides clinical guidance for pinpointing the cause and providing a remedy for allergic disorders. Each allergy description includes definition, allergen, causes, signs and symptoms, diagnostic tests, treatments, special considerations, prevention tips, and patient teaching aid. Topics covered range from asthma and pollen allergies to environmental, occupational, and food and drug allergies. Provides the latest information on traditional and herbal remedies, topicals, antihistamines, and OTC medications.