Subsequently, the blood sugar falls. In addition, blocks in the metabolic pathway of fructose processing cause a build-up of substances that damage the liver. Hereditary fructose intolerance can present as a relatively mild disease or as a very severe disease. In the severe form even eliminating fructose and sucrose from the diet may not prevent progressive liver disease . Genetic counseling may be of value to prospective parents with a family history of fructose intolerance.
Later problems relate more to liver disease .
Complete elimination of fructose and glucose from the diet is the only known effective treatment. Absolute elimination of fructose and glucose produces good results in most children with fructose intolerance. Call your health care provider if your child has developed the above symptoms after you began feeding the child formula or solid food.