The only other factor would be your bipolar medications. I can’t think of any off-hand that would interact with anesthetics to cause hallucinations, but I am not up-to-date with all the medications. I would expect that it would be *withdrawal* from missing medication doses that would be more likely to cause problems. So, I would ask your psychiatrist if you should/could skip any of your medications on the day of your procedure. Take into consideration the time of your surgery, the length of your surgery and whether you need to take food with your medications. You cannot have anything to eat or drink 8 hours before receiving anesthesia (except you may have water up to 2 hours before anesthesia). Most anesthesiologists will allow you to have medications with a sip of water up to 1 hour before. Afterwards, give yourself at least an hour or so before you can take any medications. Longer if you need to take it with food. From the anesthesiologist’s perspective, keeping the patient on their regular doses of medication is usually preferred – unless those medications are known to interact with anesthetics.

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