Abstract
* Methylene blue and linezolid (Zyvox), both monoamine oxidase inhibitors (MAOIs), can cause serotonin syndrome when given with drugs that increase serotonin levels, such as many psychiatric medications.
* Psychiatric drugs to avoid include selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, and MAOI antidepressants.