Acute Pain Crisis (Unknown Cause)
Overview
Cats often hide pain, so sudden behavior changes may signal severe internal disease or injury even without obvious symptoms.
Symptoms
- Hiding or withdrawal
- Aggression when touched
- Vocalization
- Loss of appetite
- Hunched posture
- Rapid breathing
Causes
- Injury
- Kidney disease
- Urinary disease
- Pancreatitis
- Cancer
- Dental disease
Treatment
- Pain management
- Diagnostics (bloodwork, imaging)
- Targeted treatment of underlying cause
When to See a Vet
👉 Same day — unexplained pain is always significant.
Prevention
- Regular wellness exams
- Early detection of chronic disease
References
- Cornell Vet
- Merck Veterinary Manual