I think all of the SSRIs can be challenging to discontinue. That is one of the reasons I keep my dose low as well, in case in time I decide to try to wean/taper.
I'm glad you found what works for you!
It can sometimes be a bit of trial and error.
I was fortunate that I never had any side effects, only relief! After I had been on it a few weeks, I cursed myself for having let myself suffer so very long.
I tried a few off/on over the years prior to the Zoloft but would be nervous about being on a medication and take myself off of it quickly before I had a chance to really see any effect.
When i decided to give the Zoloft a try, I was really at very rock bottom.
It was very, very bad. Staying on it really saved my sanity.