Encyclopedia of Clinical Neuropsychology

2018 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan

Dexamethasone

  • David J. LibonEmail author
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_1647

Definition

Dexamethasone is a medication used to diagnose and treat medical as well as psychiatric conditions. Dexamethasone is often used to block inflammation. As such, dexamethasone can be used as an anti-inflammatory agent to treat a number of medical conditions including a wide array of autoimmune disorders. Dexamethasone can also be used to assess for negative feedback regarding the ability of the pituitary gland to suppress adrenocortical activity.

Current Knowledge

As such, the dexamethasone suppression test (DST) was developed to diagnose medical conditions such as Cushing disease. However, the DST has also been used to diagnose major depression (Carroll et al. 1968). The rationale for the diagnostic use of the DST to treat major depression was initially based on observations of increased adrenocortical activity in depression. The inability to suppress adrenocortical activity has been used as a means to diagnose depression and related psychiatric illnesses. Data on the...

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References and Readings

  1. Carroll, B. J., Martin, F. I., & Davies, B. (1968). Resistance to suppression by dexamethasone of plasma 11-O.H.C.S. levels in severe depressive illness. British Medical Journal, 3, 285–287.PubMedPubMedCentralCrossRefGoogle Scholar
  2. Fountoulakis, K. N., Gonda, X., Rihmer, Z., Fokas, C., & Iacovides, A. (2008). Revisiting the dexamethasone suppression test in unipolar major depression: An exploratory study. Annals of General Psychiatry, 7, 22–31.PubMedPubMedCentralCrossRefGoogle Scholar

Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Departments of Geriatrics, Gerontology, and PsychologyRowan University, New Jersey Institute for Successful Aging, School of Osteopathic MedicineStratfordUSA