There are many symptoms that will indicate or show that a child has developed or has had an allergy. However, every child is very different and may experience the symptoms differently, and the reactions do not always stay the same – for example, this simply means is that a mild reaction in the past does not necessarily mean that they will have a mild reaction in the future. Some of the reactions can include some of the following: • Itchy, watery, swollen or redness in eyes • Runny, itchy, or blocked/stuffy nose • Postnasal drip • Sneezing • Swollen lips and/or tongue • Itching lips, tongue and/or throat • Sore throat • Coughing, or coughing up clear mucus • Wheezy while breathing • Feelings of pressure in the chest • Difficulty breathing or shortness of breath • Eczema • Hives • Stomach ache or cramping • Diarrhea or constipation • Nausea or vomiting • Headache/migraine • Feelings of restlessness and irritability • Fatigue or tiredness