Serotonin syndrome: http://seroclinic.com/signs-and-symptoms-of-serotonin-syndrome/

This normally starts within 1 day of altering a medicine or starting a new one. A comparable condition called neuroleptic malignant disorder generally establishes more gradually, weeks after altering medicines. To help your medical professional compare these 2 problems, make certain to offer a complete case history and listing of medicines that features beginning days.

You may also really feel sick if you quit taking an SSRI antidepressant abruptly or as well quickly, however discontinuation symptoms are different from those of serotonin syndrome. See SSRI Discontinuation Disorder for more details.

Be sure to follow your medical professional's guidelines if you're switching over from one serotonin-affecting drug to an additional. A few of these drugs take a few weeks to be completely out of your device, so starting a new one ahead of time can be unsafe.