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Laxatives
Tube type: Random Urine
Special instructions
No longer routinely available. Please contact biochemistry clinical staff to discuss if required.
Sent away
to Llandough Hospital, Cardiff
Department: Biochemistry
Clinical Application
Laxative screen only includes Phenolphthalein, Rhein, Danthron, Bisacodyl (Dulcolax), and not the most commonly used laxatives which are osmotic. The test is therefore of limited use and only available through discussion with clinical staff.
