Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (140 page)

   Laxatives (e.g., magnesium sulfate, milk of magnesia, sodium sulfate [Glauber salt], sodium phosphate, polyethylene glycol/saline)

   Drugs (e.g., lactulose, colchicine, cholestyramine, neomycin, para-aminosalicylic acid [PAS])

   Foods (e.g., mannitol, sorbitol [in diet candy, chewing gum, soda])

   Endogenous

   Congenital malabsorption

   Specific (e.g., lactase deficiency, fructose malabsorption)

   General (e.g., abetalipoproteinemia and hypobetalipoproteinemia, congenital lymphangiectasia, cystic fibrosis)

   Acquired malabsorption

   Specific (e.g., pancreatic disease, celiac sprue, parasitic infestation, rotavirus enteritis, metabolic disorders [thyrotoxicosis, adrenal insufficiency], jejunoileal bypass, bacterial overgrowth, short-bowel syndrome, inflammatory disease [e.g., mastocytosis, eosinophilic enteritis])

SECRETORY (ABNORMAL ELECTROLYTE TRANSPORT) DIARRHEA

   Definition

Diarrhea caused by increased water and chloride secretion; normal water and sodium absorption may be inhibited.

Due to

   Exogenous

   Drugs

   Laxatives (e.g., aloe, anthraquinones, bisacodyl, castor oil, dioctyl sodium sulfosuccinate, phenolphthalein, senna)