(HealthDay News) -- Post-traumatic stress disorder can occur after many events that can range from witnessing a trauma, living through a natural disaster or even the death of a loved one.

The Womenshealth.gov website says typical warning signs of PTSD include:

• Having flashbacks or bad dreams about an event.
• Having uncontrollable, frightening thoughts.
• Avoiding reminders of a trauma.
• Having feelings of hurting yourself or someone else.
• Having difficulty sleeping
• Lashing out in anger.
• Having feelings of loneliness, sadness, guilt or ongoing fear.