i am, i guess, a pretty tough old bird, but no antibiotic i have ever taken has triggered any afib. I am allergic to penicillin, though.
Recently i took a course of azithromycin for the bronchitis that my own doctors always say they cannot treat because it is a virus. The hospital emergency room i went to did not mention the word virus. They used the word bronchitis and gave me azithromycin, which began to affect this sickness immediately. But by that time this infection, whatever it may have been, had put me into afib. To be very clear, the afib began before i had even seen the antibiotic, so the antibiotic did not trigger the afib.
Incidentally, this was a much better hospital than the place that calls itself by that name in my own small city. These doctors did not bother with the usual pointless diltiazem routine, but at once suggested cardioversion. I was a little scared at first, having never had one before, but it was no big deal. I went to sleep [propofol] in afib and awoke to sweet NSR. Thank you, modern medicine.
PeggyM