Dofetilide
"After many months of suffering from Afib and trying all possible meds my electrophysiologist put me on Tikosyn and after first dose in the hospital I immediately converted. That was over 4 years ago. I am on 500micrograms twice a day plus Carvedilol 2x and Xarelto. I have eliminated caffeine and wine, only drink wine spritzer after dinner. No Afib since beginning, now am on dofetilide, a generic version of Tikosyn. Other than a stuffy nose  occasionally or being a little thirsty during night only very positive experience for me. Also, of course, the high cost of medication, even the generic version is still costly. I am a 73 years old woman and wonder if I have to stay on it for the rest of my life to feel normal."