Sorry to hear that your children are having such terrible problems at such a young age. It would be helpful if you would say something about what they normally eat, you say they have always had a very healthy Diet but what exactly does that mean to you as there are many different ideas as to what is a healthy diet. Were your children breast-fed if so until what age? Treating candida in children this young will be very different than treating in someone older, children should not be taking supplements or vitamins, don't think enemas would be a good idea for them either. Best way is to give some diet changes that can help to bring their bodies more into balance. I already have some ideas for some diet recommendations based on the symptoms and behaviors that you wrote about but I would like to hear what their current diet is first.