Post-traumatic
stress disorder (ptsd): ptsd is an anxiety disorder that usually arises after experiencing or witnessing a traumatic event. People with ptsd may feel haunted by persistent memories, dreams and images as well as flashbacks of the traumatic event/s. You may have heard about soldiers who have come back from wars who develop ptsd. However, any traumatic event can trigger it, e. G. Witnessing a crime or car accident. Generalised anxiety disorder (gad): people with gad worry constantly about everyday things or about what might happen in the future. Social anxiety disorder: this type of anxiety can cause you to feel anxious or worry about social interactions.