The body is unable to convert its energy-storage material, glycogen, into glucose. 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 .
Later problems relate more to liver disease .
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. Prevention Genetic counseling may be of value to prospective parents with a family history of fructose intolerance. The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions.