Is anxiety a symptom of antidepressant discontinuation? if so, how long does it last?

It can be: It can be yes. It can also be the anti-depressant was treating the anxiety disorder which has now re-emerged. Two weeks is what the publications generally state, however, genetic variances in metabolic rates and medication responsiveness can shorten or lengthen that period for a few people. Please see a psychiatrist for help! The discontinuation syndrome can be avoided!