Risk factors

Several factors may increase the risk of developing factitious disorder, including:

• Childhood trauma, such as emotional, physical or sexual abuse
• A serious illness during childhood
• Loss of a loved one through death, illness or abandonment
• Past experiences during a time of sickness and the attention it brought
• A poor sense of identity or self-esteem
• Personality disorders
• Depression
• Desire to be associated with doctors or medical centers
• Work in the health care field

Factitious disorder is considered rare, but it's not known how many people have the disorder. Some people use fake names to avoid detection, some visit many different hospitals and doctors, and some are never identified — all of which make it difficult to get a reliable estimate.