Overview
PTSD is a mental health condition that may develop after a traumatic event involving actual or threatened death, serious injury, or sexual violence. Some people have symptoms soon after the event, while others notice them later. PTSD is more than normal short-term stress after trauma because symptoms can last for weeks, months, or longer and interfere with daily life.
Key Symptoms
Common symptoms include repeated unwanted memories of the trauma, flashbacks, nightmares, and strong emotional or physical reactions to reminders. People may avoid places, people, conversations, or activities that remind them of what happened. PTSD can also cause negative changes in mood or thinking, such as guilt, fear, numbness, or loss of interest. Many people feel tense, irritable, easily startled, or have trouble sleeping and concentrating.
Causes and Risk Factors
PTSD is linked to exposure to trauma, but not everyone who experiences trauma develops it. Risk can be influenced by the type and severity of the trauma, repeated trauma, lack of support, past trauma, and other mental health challenges. Jobs or situations with higher exposure to violence, conflict, disasters, or emergencies may increase risk.
Who Is Affected
PTSD can affect people of any age, gender, or background. It may occur in survivors of assault, abuse, accidents, disasters, war, displacement, or other traumatic experiences, as well as first responders and military personnel. Children may show symptoms differently, such as through play, behavior changes, or regression.
Prevention
There is no guaranteed way to prevent PTSD after trauma. Early practical support, physical safety, social connection, and access to mental health care may reduce the impact of traumatic stress. Seeking help early when symptoms are strong or do not improve can be important.
Diagnosis and Tests
PTSD is diagnosed by a qualified healthcare or mental health professional based on symptoms, how long they have lasted, and how much they affect daily life. The evaluation usually includes questions about the traumatic event, mood, sleep, behavior, and functioning. There is no single blood test or scan that confirms PTSD, though a clinician may look for other health issues that could affect symptoms.
Treatment Categories
Treatment often includes trauma-focused psychotherapy, which is a type of talk therapy led by a trained mental health professional. Some people may also be offered medication by a qualified clinician as part of care. Treatment plans vary, and people may need support for related issues such as depression, anxiety, substance use, or sleep problems.
Living With It
Living with PTSD can affect work, school, relationships, and physical health, but many people improve with time and treatment. Helpful steps may include keeping regular routines, building support from trusted people, learning coping skills, and following a treatment plan. Recovery is not always linear, and symptoms may get worse during stress or around reminders of the trauma.
When to Seek Medical Care
Seek medical or mental health care if symptoms continue for more than a few weeks, are severe, or interfere with sleep, work, school, or relationships. It is also important to seek help if a person is using alcohol or drugs to cope, feels hopeless, or is withdrawing from daily life. Children and teens should be evaluated if trauma-related behavior or emotional changes are persistent or disruptive.
When It May Be an Emergency
Get urgent help right away if someone is in immediate danger, has suicidal thoughts, has made a plan for self-harm, is behaving violently, or is unable to care for themselves. Emergency help is also needed if a person is severely disoriented, panicking to the point of being unsafe, or having symptoms after trauma that put them or others at risk. Use local emergency services or a crisis service in your area.