Anne M. wrote:
<<It seems v. trendy to suggest dairy allergies at
the moment and stopping dairy really is a major intervention for Moms.>>

Perhaps it's "trendy" because it really is the problem many times!   :-)
Giving up dairy is nothing compared with trying to deal with a truly
uncomfortable, unhappy infant.  Been there, done that three times, and have
helped many other moms in the same situration.
Chris M.