: Shifts in species-typical behavior—such as lethargy, aggression, or changes in grooming—often signal pain before physiological markers (like elevated heart rate) become evident. The "Rule of 20"
| Behavior Change | Possible Medical Cause | |----------------|------------------------| | Sudden aggression (especially in cats or dogs) | Pain (dental, arthritis, ear infection), hyperthyroidism, brain tumor | | Hiding or withdrawal (cats) | Systemic illness, pain, nausea | | House soiling (in previously trained pets) | Urinary tract infection, kidney disease, diabetes, cognitive dysfunction | | Excessive grooming or licking | Allergies, skin infection, neuropathic pain, acral lick dermatitis | | Pacing, restlessness at night | Canine cognitive dysfunction, pain, Cushing's disease | | Changes in appetite or water intake | Metabolic disease (diabetes, renal, hepatic), dental pain |
: In critical care, monitoring behavioral parameters daily is vital for managing severely ill animals. Communication
Subtle changes, such as a dog's "boggling" (eye-bulging) or "bruxing" (teeth-grinding) in rats, can communicate emotional states like happiness or, conversely, stress and pain.
Link - Zooskool.com
: Shifts in species-typical behavior—such as lethargy, aggression, or changes in grooming—often signal pain before physiological markers (like elevated heart rate) become evident. The "Rule of 20"
| Behavior Change | Possible Medical Cause | |----------------|------------------------| | Sudden aggression (especially in cats or dogs) | Pain (dental, arthritis, ear infection), hyperthyroidism, brain tumor | | Hiding or withdrawal (cats) | Systemic illness, pain, nausea | | House soiling (in previously trained pets) | Urinary tract infection, kidney disease, diabetes, cognitive dysfunction | | Excessive grooming or licking | Allergies, skin infection, neuropathic pain, acral lick dermatitis | | Pacing, restlessness at night | Canine cognitive dysfunction, pain, Cushing's disease | | Changes in appetite or water intake | Metabolic disease (diabetes, renal, hepatic), dental pain | Zooskool.com LINK
: In critical care, monitoring behavioral parameters daily is vital for managing severely ill animals. Communication acral lick dermatitis | | Pacing
Subtle changes, such as a dog's "boggling" (eye-bulging) or "bruxing" (teeth-grinding) in rats, can communicate emotional states like happiness or, conversely, stress and pain. stress and pain.