Dr. Christopher Pachel said that he has definitely seen dogs that suffer from PTSD. Dogs who seem to be suffering from PTSD should be properly treated. Some common causes are natural disasters like storms, hurricanes, or tornadoes. Dogs with chronic post traumatic stress disorder also start showing symptoms within a relatively short time after the trauma, however, the symptoms remain persistent or easily triggered for longer than three months. Symptoms are avoiding familiar places, barking, urinating during greeting someone, shaking/trembling, or hiding. Also, car accidents, military/police jobs and physical abuse can also be factors. Reactions dogs can have are tail down/between legs, ears back, dilated pupils, lowered body, or rapid breathing. Dogs can simply observe another dog getting attacked or abuse by another dog/animal or a human, and that can cause PTSD. Training can also take a toll on the dog. People sometimes use extreme measures to train their dog to do tricks, stay in a yard or potty train. They use tools like shock collars and that can anger a dog or make it scared. Dogs should be evaluated by a professional if the anxiety has lasted longer than 1 month. When receiving treatment, the specialist will go through the dog's history and assess his/her condition. For treatment, the dog might receive medicine, special food, or herb medicine. Post traumatic stress disorder (PTSD) can occur after you have been through a