Laboratory Criteria Of Abusing Laxatives (Laxative) 1. It

Laboratory criteria of abusing laxatives (Laxative) 1. It is necessary to spend an enema with barium to check up normal reaction to clarification. 2. To spend for revealing melanosis coli (often normal variant). 3. a chair ( test). 4. * or Chromatography of urine or chair liquid: detection anthraquinones, bisacodyl, phenolphthalein; can find out anthraquinones> 32 hour After one dose. 5. Measurement a chair: it is useful only at <250 mOsm/kg. 6. Measurement of the maintenance of sodium and in a chair; Calculation of a faecal osmotic interval: 290 - 2 (Concentration Sodium + concentration ) 7. An osmotic interval: if> 50 mOsm/kg to measure! Chair magnesium (usually <45 mmol/L or <30 mEq in day). 8. Measurement of the maintenance of sulphates and phosphates . * researches usually become in commercial laboratories. The sample of a chair should be liquid and is frozen. The inquiry about abusing laxatives "Laxative" usually comes to an end Chromatography, spectrometry and other methods of detection anthraquinones, bisacodyl, phenolphthalein, oils, salts, mineral Oils, magnesium, and phosphate.