How Do I Know If My Dog Has Arthritis? Recognizing arthritis in dogs can be challenging since they may not always show obvious signs of discomfort. However, there are common symptoms and behavioral changes to watch for that may indicate your dog is suffering from arthritis:1. Limping or Lameness Sign: Your dog may limp, favor one leg, or have an uneven gait, especially after rest or activity. Limping tends to be more noticeable in the morning or after your dog gets up from lying down.What to Watch: Increased limping after exercise or long periods of inactivity. 2. Difficulty Moving or...