Your child is at risk of anaphylaxis. We must make every effort to find a cause for this. Did the allergist test for preservatives especially sodium benzoate and also unusual foods such as sesame seed as just one example?There is also an inherited form of this problem which needs to be tested for. It is called Heriditary angioedema and is due to a deficiency of C1 esterase [complement] in the blood.Please go back to the allergist and request these additional tests and also the necessary emergency tretament that you should always carry with you.In the meantime keep up with the Zyrtec syrup.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.