Simple answer - yes. But not usually delayed so much.

Trouble is, they sometimes get regular viruses, food-
bourn illnesses, etc., too. It can be very hard to
figure out the origin of their illness.

Also, keep in mind that highly atopic children can have
triggers other than dairy - there may be another food
that has triggered the vomiting.

If only they had LCD readoouts telling us what's
happening.

Good luck,

Mark
> First I'd like to thank everyone who posts on this list.  Although I rarely
> post, I have been a member for several years and have learned a lot from all
> of you.
>
> Now for my concern:
>
> My son, age 5, was "home-diagnosed" with a milk allergy at 6mo.  He has never
> been tested and has never ingested any significant amount of dairy.  He had
> skin problems (rash, excema) from dairy through breastmilk, and milk applied
> to his skin causes hives.  Sometimes when he eats trace amounts of dairy in
> baked goods he gets a welt or two on his cheek.  So far, because he hasn't
> been exposed much, these are the only symptoms we've seen.
>
> Over the past 6mo, on 4 or 5 seperate occasions he has woken in the middle of
> the night complaining of tummy ache, he then vomits once or twice and in the
> morning he feels fine.  A couple times we found hidden dairy in food he had
> eaten; other times we could not be sure if he had been exposed.  It seems
> like if it was dairy, he would be sick soon after eating it.  He was possibly
> exposed at noon Saturday and he got sick 1:30am Monday (37 hours later).
>
>
> Now for my question (thanks for hangin in there):
>
> Have any of you experience similiar symptoms (vomiting) that have not shown
> up until 12-36 hours after ingestion?
>
> Thank you,
>
> jen