This completely updated chart simplifies allergies so they are easy to understand. Topics include: Who gets allergies, what are common allergens, anaphylaxis and managing allergies. 10 visual images depict the most common allergies: hay fever, sinusitis, eczema, hives, asthma, contact dermatitis, allergic conjunctivitis, and food, drug & household allergies. Size is 20" W by 26" H.