If you've been on all of those for a long time, your body might need something changed or adjusted..
If you haven't had a full physical & blood work up lately that might be the best next step, just to check for any other possible factors..

We do have an active Bipolar forum if that might be relative for you or your meds...
or perhaps Psych Central - Trusted mental health, depression, bipolar, ADHD & psychology information