My grandmother was on Ebixa about a year and a half ago, and she dealt with very similar issues. It can definitely fall under the category of more severe side effects😢—it’s clearly noted on the prescription. What you're describing as "drunkenness" or loss of balance was actually diagnosed as a gait disorder in my grandmother's case; she also struggled with blood clotting issues and chest pains... I noticed your grandfather seems to be in a similar boat. Since he has those significant heart concerns, it might actually be exacerbating the side effects from the Ebixa. I'm honestly at a loss for words, but if getting to a doctor isn't an option right now, I'd suggest looking into some kind of online medical consultation. A friend of mine used a service once, though I can't recall the exact name of the platform.
Best regards,
Best regards,