The problem seems to be the butter fat in the sippy diet. The bland diet approach is also being discarded because those foods neither relieve pain nor speed healing. So, instead, eat whatever good food works best for you. Potatoes are very helpful. They are soothing and have an alkaline reaction.
Vitamin U is the anti-ulcer vitamin.
It is specifically for peptic ulcers. Raw cabbage juice and alfalfa have the most. Boiling destroys this anti-ulcer factor, and wilted cabbage contains less vitamin U. Drink fresh, raw cabbage juice immediately after juicing. Eat plenty of dark green leafy vegetables. Put other vegetables through a blender.