And, he wasn't allergic to any of the things they tested. They did the scratch test on his back, and tested components that were in the lasagna, including cow milk, goat milk (just in case), oregano and basil, since that is the only thing he'd eaten seconds before his rash/swelling outbreak. And, they also tested grass and tree pollen since he had been playing outdoors (not in our yard) only a couple hours before his hives outbreak. Negative on all counts.
I'm relieved, and also not. Great to rule these things out, but then what was it that caused these reactions? Kyle had just gotten off a 10-day treatment w/ Amoxicillin for a double-ear infection only the day before he got hives. He could have developed an allergy to that (although the allergist said it's unusual to develop an allergy after only the first course of the drug). But, as drugs age, they degrade and turn into other things, any number of which he *could* be allergic to.
I'll be asking to get myself tested come the fall, since I don't know my own triggers for hives. Maybe if I get answers, it will help him too.

Re: Took Kyle to the allergist today...
It was my understanding that allergy testing by skin tests before age 3 is very inconclusive. You will get false negatives, and false positives, because the child hasn't had enough exposure to the potential allergens. This was according to both our allergist and our pediatrician. They did do a blood test to test for allergies but said to wait on the skin test until DS was older.
I hope Kyle doesn't have any more episodes of hives til they figure out what caused them !
I was wondering when he was going & how y'all would make out.
I'm sorry you didn't get any conclusive answers though =(
Drug allergies are a pita, imo. I keep finding new ones that I'm allergic to. The half life on some of them is unbelievable for them to be able to cause reactions.
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