Posttraumatic disorder is a disorder caused by a traumatic event or series of traumatic events. This can be caused by an event in the past like abuse, natural disasters, or serious accidents. Most people who have been in a traumatic event experience symptoms days after the incident, however people can only be diagnosed with ptsd after a month from the event. Some of the symptoms of PTSD include intrusive actions and thoughts, avoiding the traumatic event, and changes in mood. Some people with PTSD also have dissociation symptoms. If you have PTSD and are seeking help, talk to a psychiatrist or a mental health professional, or if you need serious help immediately call the national crisis hotline in the resources section of our website.