s no wonder you had the symptoms you did, and while Serotonin Syndrome is much more rare than people think, you very well could have been experiencing that with an abrupt start of such a high dose of
Zoloft. These meds need to be introduced GRADUALLY,
for the very reason you discussed, to minimize any unpleasant side effects, some of which (SS) could be potentially dangerous.
Your second problem is the erratic way in which you are taking your current meds.