Co-morbidity: two or more diagnosable disorders occurring at about the same time in a person’s life.
Co-occurring problems: physical health, mental/behavioral health, or social problems that occur at about the same time. This includes co-morbid conditions as well as a host of other possible challenges that are not diagnosable disorders.
Post-Traumatic Stress Disorder (PTSD): a diagnosable condition characterized by a complex constellation of symptoms following exposure to one or more traumatizing events. Note that post-trauma symptoms may appear after significant time lapses and may appear intermittently, as well.