Heimdal
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| Presenting Complaint | Medical Differential | Behavioral Differential | |----------------------|----------------------|--------------------------| | House-soiling (cat) | Urinary tract infection, CKD | Litter box aversion, inter-cat conflict, stress-induced cystitis | | Aggression (dog) | Hypothyroidism, brain tumor, pain | Fear-related, possessive, territorial | | Excessive grooming (horse) | Insect hypersensitivity, contact dermatitis | Stable vice (weaving, cribbing displacement) |

Understanding the habits of endangered species is the only way to successfully rebuild wild populations.

Many presenting complaints have a primary behavioral cause, requiring a differential diagnosis that includes both medical and behavioral pathology.

Veterinary behaviorists use selective serotonin reuptake inhibitors (SSRIs) and other medications not as a "magic pill," but to lower the animal's fear threshold. This physiological intervention creates a "window of learning," allowing behavioral modification (like desensitization and counter-conditioning) to actually take hold. Animal Welfare and Fear-Free Practice