PTSD is a psychological condition that is diagnosed when an individual has a combination of symptoms that persist long after the traumatic event.
PTSD manifests differently in children and adults; however, often includes re-experiencing symptoms; flashbacks, nightmares, intrusive and unwanted thoughts or memories, avoidance of people, places or activities that remind them of the trauma, hyperarousal, or easy startle- reflex, irritability, or other alterations in mood (depression, anxiety) or negative thinking.