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- PetMD U
By Lisa Radosta, DVM, DACVB
Can dogs have OCD? Not really, but they do get compulsive behaviors. What is the difference? Obsessive compulsive behaviors include obsessive thoughts, which don't apply to dogs since we can’t know what they are thinking. Instead, in dogs, these disorders are called compulsive disorders. Here are some other important insights into this curious dog behavior we call compulsive disorders…
Compulsive disorders (obsessive compulsive disorder, OCD) occur in dogs, although not with great frequency. These behaviors are exaggerations of normal dog behaviors. They are exhibited for longer than expected periods of time, are repeated out of context, and in situations in which they would be considered abnormal.
Common dog behaviors which can be classified as compulsive include spinning, tail chasing, fly biting, light chasing, barking, chewing, staring into space, sucking on a toy, or sucking on a part of the body.
Compulsive disorders are caused by conflict, stress and/or frustration. With each stressful event that your dog encounters, there is a release of neurotransmitters involved with the stress response. When a dog is frustrated or stressed, he may start to perform a normal behavior such as holding a toy in his mouth in order to relieve that stress. If holding the toy in his mouth actually reduces the neurotransmitters involved with the stressful event, the dog is likely to perform that behavior again when he is stressed. For some dogs, this behavior becomes ritualized and repetitive because of the intense reward that is associated —reduction of the physiologic feeling of stress or frustration.
Over time, compulsive behaviors progress and get worse. Dogs often start to perform the compulsive behavior with any stressful event, not just the original inciting situation. The behavior can take over the dog’s life replacing normal sleep and feeding habits. It can cause injury to the dog as the impulse to perform the particular behavior becomes stronger and stronger. Dogs that chase their tails often end up mutilating the tail requiring amputation, while dogs that suck on themselves frequently cause skin infections.
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