International Veterinary Academy of Pain Management / Dogs
some signs of pain:
Posture
•Hunched back
•Guarding (protecting) the painful area
•"Praying" position (front legs and head on floor, hindquarters in the air)
•Sitting or laying abnormally
•Attempting to rest in an abnormal position
•Head hanging down *
Movement
•Stiff
•Bearing no or partial weight on affected limb
•Any degree of limp
•Thrashing Restless *
•Trembling or shaking *
•Weak tail wag or low carriage of tail *
•Limited or no movement when awake *
•Slow to rise *
Vocalization
•Screaming
•Whining
•Crying
•Barking or growling *
•Lack of vocalization (no greeting bark or noise) *
Behavior
•Agitated *
•Poor or no grooming *
•Decreased or absent appetite *
•Dull *
•Inappropriate urination or defecation, or not moving away from it *
•Acts out of character (gentle dogs may bite or become aggressive) *
•Licking wound or surgical site *
•panting
another list that may have some repeats:
Whimpering, crying, or yelping
Excessive panting at rest
Limping
Pulling away when touched
Guarding a body part
Uncharacteristic aggression
Restlessness
Reluctance to change body position
Loss of appetite
Localized muscle tenseness
Dilated pupils
Fever
Elevated heart of respiratory rate