Burping is a bit more after surgery for me than before. Nothing drastic, though. I have been in menopause for several years before my surgery last October (I had early menopause), and since surgery, I’ve actually had no night sweats and less hot flashes. Not sure if the two are related, but I’m happy. As for headaches, I haven’t noticed a difference in them. I still have tension headaches or sinus headaches occasionally.