Understanding Allergies, Second Edition, makes the topic of allergies easy to understand. It defines allergy and explains who gets allergies, common allergens and anaphylaxis, with ten illustrated examples from hay fever and hives to food and drug allergies.

Our updated chart Understanding Allergies makes the topic of allergies easy to understand.

The chart defines an allergy and explains who gets allergies, common allergens, anaphylaxis, and tips for managing allergies. Ten visual images with explanations show the most common allergies:

hay fever
sinusitis
eczema
hives
asthma
contact dermatitis
allergic conjunctivitis
food allergies
drug allergies
household allergies

Dimensions for this chart are 20" x 26" (51cm x 66cm)

How dimensions are measured

Width is measured side to side and height top to bottom, as shown below.