As with any anti depressant/mood stabilizers, it is very dangerous to just randomly stop taking them, especially after being on them for a long time. Im pretty sure i have a degree of bipolar, however, it just might be traveling for too long, I have very high highs, and VERY low, lows. Had a mental breakdown in Eugene once, if divine intervention didnt happen, in the form of randomly meeting a friend and them housing me up for a coupe of nights, suicide may have been an option.
Im just saying, traveling is hard on you mentally. Since I have started riding freight, its dont nothing but get harder for some reason...
Id definitely bring your meds with you, and possibly do what
@siid suggested and perhaps ween off of them slowly and see how you feel.