The syndrome has caused at least nine deaths, the last one a nurse in Hanoi.

This syndrome causes degenerative changes in the brain that are the source of the functional impairment.

The syndrome can also cause mental deficiencies in infants.

The syndrome causes no known long-term physical damage.

Cushing's syndrome may cause weight gain, skin changes, and fatigue.

Sjögren's syndrome may also cause fatigue, joint pain, and problems with the function of vital organs.

Sjögren's syndrome causes dry mouth, which in turn can make it hard to swallow pills.

Uremic syndrome may affect any part of the body and can cause:

Myelodysplastic syndromes often do not cause early symptoms and are sometimes found during a routine blood test.

Eisenmenger's syndrome can cause serious complications in pregnancy, though successful delivery has been reported.