Border Collie Collapse or "the wobbles" is a disease found in many herding/working breeds. The cause is currently unknown. Border Collie Collapse seems to be related to high intensity exercises that are found to be particularly exciting to the individual dog. For example: some dogs cannot retrieve a tennis ball, as they find this activity highly stimulating, but can run for several miles with no symptoms of Border Collie Collapse. Symptoms commonly include: disorientation, mental dullness, loss of attention, unsteady hind legs, dragging of hind legs, and ultimately the need to sit or lay down. Loss of consciousness and seizure-like trembling/spasms are not characteristics of Border Collie Collapse. There is no current diagnostic test or veterinary workup that can confirm Border Collie Collapse and the diagnosis is often given as a diagnosis of exclusion or based on clinical symptoms. There is no current treatment recommended, and it is advised to limit the episodes by avoiding the activities that trigger the collapse.