Learning & Education

Testing for Serotonin: Methods, Pathways, and Challenges
Nov 02, 2023
Testing for serotonin levels in the brain is very difficult. Although blood tests are available for serotonin, doctors tend to diagnose low serotonin based on symptoms, not blood concentrations. In the case of serotonin syndrome (high levels of serotonin caused by medication use), doctors use symptomatology and a thorough assessment of medications to arrive at a diagnosis [14,15].