its always hard to know whether it the withdrawl or perhaps an ear or sinus infection, a doc who will take your problems seriously and not dismiss you as a hypochondriac will be able to help
as a last resort you can always get back on the med for a while to see what happens
when quitting an antidepressant IMO you should always keep a reserve supply in case you need to get back on it, never allow yourself to run out before quitting
valium type meds help when quitting an antidepressant, just as they help when starting one