Also, my mom took
Zyrtec to block histamines which apparently has something to do with
IC in the bladder.
And, there is one drug OTC called "Preleif", which is kind of like Beano. You're supposed to take it before a meal and it removes acidity from the foods. When she was first diagnosed, her diet was really strict, water only to drink, no soda, alcohol, fruit juice, coffee, etc.