Animal Dander

    All warm-blooded animals shed tiny flakes from their skin called dander. (It's like dandruff in humans but much harder to see.) It's this dander - along with proteins from saliva and other fluids that may be on an animal's skin - that causes allergies in humans.

Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
© 1995-2021 KidsHealth® All rights reserved. Images provided by iStock, Getty Images, Corbis, Veer, Science Photo Library, Science Source Images, Shutterstock, and Clipart.com