A food allergy could certainly cause this,but at 5 years of age another important thing to think about is a parasite infection. The most likely one is Giardia. So ask your doctor to test him for giardia and to treat him with Flagyl.The hives could be due to a food allergy so this must still be tested for as well.Stop the Nasonex for at least 10 days if his nose is bleeding as this aggravates the problem.It would be best if your son was seen by a paediatrician with an interest in allergies in children-there are experts in all the main centres in SA.
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