An easily overlooked cause of toxic encephalopathy: methylene blue in a patient on an SSRI
This case report highlights a serious drug interaction between methylene blue (MB) and selective serotonin reuptake inhibitors (SSRIs), leading to toxic encephalopathy and serotonin syndrome. A patient on sertraline underwent surgery where MB was administered, resulting in postoperative neurological symptoms, including altered mental status. MB inhibits monoamine oxidase A (MAO-A),