[header] How to treat serotonin syndrome [title] Stop the medication. [step] If you have started a new medication or a new combination of medications and experience any of the milder symptoms listed, contact your doctor to talk about stopping the medication. If you cannot get in touch with your doctor, stop the medication until you talk to your doctor. 
For mild serotonin syndrome, the effects usually dissipate within one to three days. [substeps] You should contact your doctor to let her know that you have stopped taking your medication.