 [ Symptoms ] can teething in toddlers cause hives  we have taken milkfruitspb away & reintroduced & no hives appeared ped dr thought it was viral but that was not it it has been over the past several months they come & go in sperts so he will have them then they fade on there own they will be gone for sev weeks & come back every time he has them he has a runny nose & tends to be irritable & no appetite i attributed these symptoms to teething so i was treating the hives & teething seperately is it possible that these two are related [ Disease ] i do not believe that urticaria hives and teething have a direct causative effect but manythings can cause hives even stress teething is a normal childhood event that really should not be overly stressful to a child teething can hurt so i guess it is remotely possible most hives are idiopathic no identifiable cause so do not be too diligent in your investigation you child is hives could be anything that he has touched breathed or eating it can also be caused by temperature changes like being too warm in those fuzzy pajamas