Major depressive disorder is a common psychiatric illness which deserves im
mediate medical diagnosis and treatment. Untreated, the patient may be at g
reat risk of suicide. The detection of depression by primary care physician
s, particularly in rural areas, is a critical part of treatment; however de
pression is often not the presenting complaint. The use of the Zung Self-ra
ting Depression Scale (SDS) can help in the identification of otherwise una
pparent clinical depression. This method of detection is a simple, inexpens
ive and efficient tool which the primary care physician can use in increasi
ng awareness and diagnosis of depressive disorders. Primary Care Psychiatry
2000: 6:73-76. Copyright (C) 2000 by LibraPharm Limited.