This patient support community is for discussions relating to children’s allergies, hay fever, school issues, and allergies to animals and pets, birch pollen, drugs, dust mites, foods, insect stings, latex, mold, MSG, ragweed, peanut, and sulfite.
Carrageenan is a food thickener extracted from seaweeds.
Carrageenan food allergy symptoms, foods and products with carrageenan (health-nutritionblog.com)