Despite the discomfort now, I've been tickled to death knowing this may be perhaps your first day clean and sober! You will do this, I'm sending all the karma I can muster up your way to give you the strength to continue to do so!
...and as for that cherry stuff......yack! I can't take any of it either, no stick with the prescribed stuff seems like you have what you need.
Tagamet and Pepcid are the brand names of the antacids.