Salivary cortisol levels and the cortisol response to dexamethasone before and after EMDR: A case report

This case study measured physiological stress changes during EMDR treatment and suggests that EMDR treatment for PTSD can improve symptoms and normalize stress-related cortisol levels.

Article Abstract

“Trauma survivors with posttraumatic stress disorder (PTSD) have been shown to have lower basal cortisol levels in the urine, plasma, and saliva than in trauma survivors without PTSD, nontraumatized mentally ill, or healthy subjects. We report on a case study in which we measured pre- and post-Eye Movement Desensitization and Reprocessing (EMDR) treatment salivary cortisol levels and salivary cortisol response to 0.50 mg of dexamethasone in a 41-year-old female with chronic PTSD symptoms. Our goal was to determine whether symptom improvement following trauma-focused treatment (EMDR) is associated with changes in basal salivary cortisol or in the cortisol response to dexamethasone administration. Our findings show moderate symptom improvement, an increase in basal cortisol levels, and a more attenuated cortisol hypersuppression in response to the dexamethasone suppression test following EMDR treatment. These results suggest the potential utility of including neuroendocrine measures in the assessment of treatment outcome in PTSD.”

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Heber, R., Kellner, M., & Yehuda, R. (2002). Salivary cortisol levels and the cortisol response to dexamethasone before and after EMDR: A case report. Journal of Clinical Psychology, 58(12), 1521-1530. https://doi.org/10.1002/jclp.10102