ouch! one week of physical symptoms yawning, runny nose general pain loose stool anxiety. go to a docter. vicodin is an opiate and is very hard to quit.
Seems to be for some people, check out
http://wiki.answers.com/Q/How_long_do_Lexapro_withdrawal_symptoms_last
a lot of different experiences shown here including yours, good luck!
Speaking from personal experience, the withdrawal symptoms following a short period(about a week's worth of time, taking percocet twice daily) of continued use left me with general feelings of...