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Will a hair strand test reveal laxative abuse?
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Dr. Charles Cattano
Internal Medicine - Gastroenterology
In brief: Detection of abuse
Diagnosis of factitious diarrhea can be made by colonic barium x-ray, stool & urine testing for phenolphthalein, emetine, bisacodyl, anthraquinolones, & fecal fluid can be analyzed for osmolality & electrolytes.
See also my earlier answers on healthtap regarding colon lining changes seen on colonoscopy, as well as the physical manifestions that may present in suspected laxative abusers.

In brief: Detection of abuse
Diagnosis of factitious diarrhea can be made by colonic barium x-ray, stool & urine testing for phenolphthalein, emetine, bisacodyl, anthraquinolones, & fecal fluid can be analyzed for osmolality & electrolytes.
See also my earlier answers on healthtap regarding colon lining changes seen on colonoscopy, as well as the physical manifestions that may present in suspected laxative abusers.
Dr. Charles Cattano
Dr. Charles Cattano
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