Prescribe enrichment as you would antibiotics — with specific dosage (duration, frequency) and monitoring for efficacy.
Hormonal imbalances dramatically alter behavior. Hyperthyroidism in older cats frequently presents as increased vocalization (especially at night), restlessness, and irritability before weight loss becomes apparent. Hypothyroidism in dogs, conversely, can present as lethargy, fearfulness, and cognitive dullness. zoofilia+abotonada+anal+con+perro+link
Many medical conditions present primarily as behavior changes. Examples include: The Comprehensive Guide to Animal Behavior and Veterinary
