Trauma can be defined as an emotional and psychological response to an event or an experience that is deeply disturbing and life threatening - traumatic.
It’s not unusual for people who have experienced traumatic events to have flashbacks, nightmares, or intrusive memories. You could also feel overwhelmed by guilt anger or grief.
Some people find it hard to cope and it might take a while to come to terms with what has happened. The support of family and friends is very important.