Post-traumatic stress disorder (PTSD) is a mental health condition triggered by a traumatic event, whether you experienced it directly or witnessed it. Symptoms can include flashbacks, nightmares, severe anxiety, and uncontrollable thoughts about the event.

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The symptoms of intrusive memories may include:

• Recurrent, involuntary, and distressing memories of the traumatic event.

• Reliving the traumatic event as if it were happening again (flashbacks).

• Disturbing dreams or nightmares about the traumatic event.

• Severe emotional distress or physical reactions to something that reminds you of the traumatic event.