FEAR AGGRESSION / DEFENSIVE AGGRESSION
WHAT THIS SYMPTOM USUALLY MEANS
Fear aggression arises when a pet feels threatened and chooses fight over flight.
MOST COMMON CAUSES
MILD
• Poor socialization
• Startle response
MEDICAL
• Pain
• Cognitive decline
• Thyroid issues
EMERGENCY CAUSES
• Aggression with neurological signs
• Aggression + dilated pupils
• Aggression + collapse
RED FLAGS
• Sudden-onset aggression
• Aggression toward family members
If you’re unsure, treat it as urgent.
AT-HOME CARE YOU CAN START NOW
• Avoid triggers
• Do not punish
• Give space and safe zones
WHAT A VETERINARIAN WILL CHECK
• Pain
• Neurological function
• Thyroid
• Anxiety profile
MOST LIKELY DIAGNOSES
• Fear-based aggression
• Pain
• Cognitive dysfunction