Post-traumatic stress disorder was often referred to as battle fatigue and was brought to the forefront by veterans who went through traumatic events during a war. This is a mental health problem that can happen after experiencing a life-threatening events in combat, a natural disaster, a car accident, or sexual assault, the National Center for PTSD reported. If you know someone suffering from the disorder, it can be a scary time for all involved. Any event can trigger night terrors, depression, anxiety and people may feel they are walking on eggshells with loved ones. The symptoms are not for the faint-hearted and can last more than a few months. Some signs to look for are avoiding events, depression, irritability and aggression. You can help by offering support, by listening, by being encouraging and by rebuilding trust. Here are 6 ways to help someone suffering with PTSD.