>I just bought a bottle the other day and it contained the ingredient you
>described, bismuth subsalicylate.  I compared it to my bottle of Pepto
>Bismol and it also contains bismuth subsalicylate.  If both of these
>are dangerous to ferrets, what else has the necessary coating action
>for ulcers?
 
Pepcid AC.  Dissolve 1 tablet in 10 ml water, give 1 ml once or twice a
day (dosage per my vet).  Store in fridge.
[Posted in FML issue 4354]