What were the usual side effects of sertraline?

Zoloft (sertraline) Headaches, stomach upset, nausea, diarrhea are common. Also sexual side effects such as impotence later on.
GI & Sexual. There are some s/e, like loose stool, that are just temporary (for the 1st week or so) as your body adapts. Others, like sexual dysfunction (if it should occur) can be pretty persistent. The important thing to keep in mind is that no 2 people are the same.