1 Feed foods that are high in nitrogen; they generate heat as they break down. 2  These include leafy greens, lentils, peas, tofu, broccoli/cauliflower, beans, oatmeal, and mushrooms.
1 Other signs and symptoms include high body temperature, sweating, shivering, clumsiness, tremors, and confusion and other mental changes. 2  Symptoms of serotonin syndrome can range from mild to life threatening.
Causes. Excessive accumulation of serotonin in your body creates the symptoms of serotonin syndrome. Under normal circumstances, nerve cells in your brain and spinal cord (central nervous system) produce serotonin that helps regulate your attention, behavior and body temperature.