Antidepressants are weird drugs: they often take weeks to begin working, they don’t work for everybody, and in some cases they can have serious side effects. If you and your doctor decide your meds aren’t working for you, you’ve got another hurdle: antidepressants are hard to quit.

If you quit your antidepressant cold turkey, or even by cutting down over the course of a few days, you may experience “discontinuation symptoms.” UptoDate, a medical professionals’ reference, lists the most common as fatigue, dizziness, headache, and nausea. But you could also have agitation, anxiety, chills, tremors, or other unusual symptoms like the feeling of occasional zaps of electricity.

Read more at Vitals.