When your pet has an allergic reaction, it might not look how you expect. In this video, our veterinarian explains the key differences between dogs and cats when they experience allergic reactions—and how to spot the warning signs early.

Learn what symptoms to look for, when to seek emergency care, and how to prevent future reactions. From skin irritation to vomiting and sudden collapse, knowing what’s normal (and what’s not) could save your pet’s life.