Tests for occult blood in stools of children

Abstract

Three tests for the presence of occult blood in the stools of children were examined: the orthotolidine test, the guaiacum resin test, and a modified reduced phenolphthalein test. The stools of 71 neonates, 33 normal children, and 8 children with suspected gastrointestinal pathology were examined. The 1% orthotolidine test and the guaiacum resin test produced a high number of false