A change in behavior is frequently the first sign of an underlying medical condition. For example:

In cats, this is frequently linked to urinary tract infections (UTIs) or kidney disease rather than spite.

By integrating behavioral science into clinical practice, vets can look past the physical symptoms to understand the "why" behind an animal’s actions. The Rise of Veterinary Behaviorists

When we treat behavior as a branch of health, we stop using punitive training methods that can damage the animal's psyche and instead look for ways to support their mental well-being. This holistic approach leads to fewer animals being surrendered to shelters for behavioral issues that were actually treatable medical or psychological conditions. Conclusion

Can indicate anything from metabolic disorders to heart disease.

Modern veterinary science now emphasizes techniques to reduce this "white coat syndrome" in animals: