SOMETHING TO REMEMBER If you are doing a cross over to CYMBALTA or any med, don't count the weeks you been on Cymbalta has the cross over cancels all that out. you may be still using the other med 4 weeks into your cross over so you cannot say you have been on Cymbalta say 8 weeks because in theory you have been double teaming for 4 of the weeks. only count the weeks if you take a med on its own from START UP