Your son has definitely had an allergic reaction. This reaction is known by the medical term 'Angioedema'. It is very important to find out the cause of this reaction. So try get hold of a similar toy with the sweets inside and read the ingredients. It is possible that it was a type of nut such as hazelnut that caused his reaction and not a colourant.The next reaction could be much worse and more dangerous so make sure that he keeps away from all sweets and also nuts until he has been tested. Your son needs to be seen by a paediatric allergist. There are specialists in all the main centres in SA.In the meantime always have an antihistamine called Alllecet available with you and give him an immediate 5ml dose if he ever has anothr reaction.
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