• Intrusive memories, such as flashbacks or nightmares. (Un)related to the trauma
  
• Avoidance of places, people, or activities that remind the person of the trauma
  
• Negative changes in thinking and mood, such as hopelessness or detachment
  
• Physical symptoms like headaches, stomachaches, or chronic pain
  
• Hyper arousal, including being easily startled or having difficulty sleeping
  
• Difficulty concentrating or feeling disconnected from reality. Feeling emotionally numb.
  
• Avoiding reminders of the trauma.

These can also be persons, feelings, situations, objects, places, certatin thoughts, smells, kinaestethic sensations etc.