Infants may also develop green stools, diarrhea, vomiting, anemia (low blood count) and fussiness.
[kidswithfoodallergies.org]
Two infants with AE, diarrhea, and low serum zinc levels were evaluated. Food allergy was found in both infants. The first infant had a serum IgE level of 4642 IU/mL.
[ncbi.nlm.nih.gov]
[…] with the food, histamines are released, which can cause your child to experience hives, asthma, itching in the mouth, trouble breathing, stomach pains, vomiting, and/or diarrhea
[chw.org]