That does throw the spanner in the works... It's pobably easier to do an ED then going through a number of different formulas to find what works...
Also, as far as I understand, the intolerances might be in itself causing you LO to be unsettled and not enjoying BF too much.
Just don't feel like your turning back on your decision, you'll just postpone it a bit until you get a clearer picture of what is going on.
Let us know what the doc says.
xxx