What is the role of serum chemistry in the workup of constipation?

Updated: Mar 30, 2020
  • Author: Marc D Basson, MD, PhD, MBA, FACS; Chief Editor: BS Anand, MD  more...
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Serum chemistry may exclude a metabolic cause of constipation, such as hypokalemia and hypercalcemia. Determine the serum electrolyte profile, including measurements of potassium, calcium, glucose, and creatinine, in patients with recent-onset constipation to assess an acute electrolyte imbalance and in chronically constipated patients in whom the initial medical treatment has failed.

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