Matilda has an Allergy is a great fit for individuals or families managing allergies, particularly those related to tree nuts or other allergenic foods.
Daniel Has an Allergy (Daniel Tiger's Neighborhood)
What is a Milk Allergy?: A share with the class book about food allergies, specifically an allergy to milk! (available in "girl" & "boy" versions!)
Starting School with an Allergy
Someone in Our Class has Food Allergies: A READ ALOUD EXPLANATION AND EDUCATION FOR THE CLASSROOM (The Food Allergy Safety Kids Series)
The Role of Technology in Allergy and Immunology, An Issue of Immunology and Allergy Clinics of North America (Volume 47-1) (The Clinics: Internal Medicine, Volume 47-1)
You Can't Be an Assassin if You Have a Leather Allergy: a Humorous Tavern Adventure (Tipsy Pelican Tavern Book 4)