The diagnosis of factitious disorder can only emerge when caregivers are in difficulty in caring for their patient. This disorder is a real challenge for healthcare teams throughout the treatment, from its discovery to its treatment. Secrecy and self-inflicted injuries are components that we can be uncomfortable with as caregivers. The factitious problem requires well-coordinated care between the various specialists and often questions our practices. In this article we deal with the questions frequently asked by the care teams to the liaison psychiatrists that we are, by working on the identification of the problem in the clinic, the therapeutic issues and the attitude to adopt.