Your dog may vocalize with cries, whines or whimpers when hurt or injured.
Dogs lick or bite at painful areas on their body to try soothing it.
Your normally friendly dog may snap or growl if touched when in pain.
Dogs retreat and hide when they are hurting to avoid contact.
Having trouble getting comfortable signals your dog is in distress.
Difficulty with stairs, stiffness, limping indicate pain on movement.
A typically energetic dog suddenly sleeping all day could mean illness or injury.