A parent who has the tools to make appropriate decisions about the healthcare of their child has been given self-confidence and self-esteem. I believe when a person has self-esteem mountains can be moved.
In my experience, chronic mouth sores almost always are a symptom of gluten intolerance. I suggested the whole family go gluten-free for a month to see how that change would affect the stomach complaints in general and the mouth sores specifically.
As a humanitarian relief and development organization, Medical Teams International is known for expertly responding to health crises around the world. But we're also addressing the oral health care crisis here in the U.S.