In Munchhausen syndrome by proxy, a subject, usually a mother, pretend
s her disorder. After simulating ficticious symptoms, or even producin
g clinical signs such as convulsions, fever, bleeding, vomiting, diarr
hea or skin eruptions, the mother repeatedly takes her child to differ
ent hospitals for care. During hospitalization, the mother shows great
concern for the child and is highly cooperative with the health care
team. The consequences may be unwarrented, often invasive, investigati
ons and therapy with a very high risk of morbidity and mortality. The
underlying psychopathological structure is difficult to apprehend. Nar
cissic fragility and borderline personality are the must frequent, but
passive-dependent hysteric personality or sadomasochist behavior can
be found and depression is often associated. The main, if not the sole
, benefit for the mother lies in the leading role she plays during the
repeated hospitalizations in front of the admizing medical staff. Rar
e cases of adult-adult Munchhausen syndrome by proxy have also been re
ported. Physicians should be aware of this syndrome in order to avoid
unintentional participating in this morbid scenario by performing usel
ess invasive examinations or by prescribing dangerous medication. Psyc
hiatric treatment and sometimes legal action are required to avoid thi
s particular kind of child abuse.