It's just a phase and it's go. Hold on there.
Also, you said you have a gut feeling that something is spiraling out of normal. Please listen to your gut and call your pdoc. That said, since when is needing medication (or more medication or a different medication) when you have bipolar disorder a failure? Your body just needs what it needs, medically.
If you do cheat, everything everyone else has said applies. To help you not cheat, everything everyone else has said applies.
I'm just glad you have the sense to ask! Now will you have the sense to listen? I hope so! I would hate to see you suffer the consequences--lost friends, hurt and hardship, feelings of self-loathing, your own broken heart, etc.
I asked my son last night, "Are you able to learn from other's mistakes?" and was relieved when he said, "Yes." If you can too, please listen to all of us when we say you will regret it, it's not worth it, now please go and take care of business by "taking matters into your own hands," if you know what I mean...put plainly, "go masturbate" if you don't.