Reliving a severely upsetting event in unwanted, recurring memories and dreams.

Behaviors that are harmful or destructive to oneself or others and can get in the way of living a normal life.

Behaviors that are noticeable and troublesome to others

Disruptive levels of persistent, unexplained feeling of apprehension and tenseness.

Behaviors that are without a rational basis.

Sudden bouts of intense, unexplained anxiety, often associated with physical symptoms like choking sensations or shortness of breath.

Disruptive, irrational fears of objects or situations.

Behaviors that violate the rules for normal behavior of a particular culture

Unwanted repetitive thoughts and actions

Symptoms include haunting memories, nightmares, social withdrawal, jumpy, depression.

Symptoms include repetitive rituals or patterns of behavior like hoarding, checking/rechecking, cleanliness/neatness, counting.

Symptoms include tremblimg, frequent urination, dizzy, faint, irritability, sweat, sleepless, tiredness, headaches, distracted, lack of concentration

Symptoms include choking, shortness of breath; sensation of heart attack

Exposure to a feared stimulus produces intense fear or panic.