Yes, an increase can absolutely cause start up like effects again.
Generally speaking, it is reported that the duration of increase s/e's are less than that of the original start...
So I would think you would know in a week, maybe two how you are going to respond.
Keeping in close communtication with your prescribing doctor as well will give you a good idea of whether it is advised to continue, or seek another med option.
Here is the link to your Resources, filled with great self-help skills that really do work if practiced regularly. These, along with yoga/exercise make a difference. Lowering your overall stress levels should help this whole process, and see you feeling your best.:)
https://www.healingwell.com/community/default.aspx?f=9&m=104206
S.C.