Diseases

Fructose intolerance

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People with one fructose intolerance can not digest fructose properly. The metabolic disorder may be innate or acquired. But that does not mean that sufferers have to do without fruit altogether. Small amounts are usually tolerated. This is different with the rare hereditary fructose intolerance, here must be paid to a very strict fructose intolerance diet. Read all about the two forms of fructose intolerance.

ICD codes for this disease: ICD codes are internationally valid medical diagnosis codes. They are found e.g. in medical reports or on incapacity certificates. E74

A nutritionist can give you tips on which eating habits you prefer to keep your distance.

Dr. med. Mira SeidelArticle overviewFructose intolerance
  • description
  • symptoms
  • Causes and risk factors
  • Examinations and diagnosis
  • treatment
  • Fructose intolerance - Table
  • Disease course and prognosis

Fructose intolerance: description

Fructose intolerance (fructose malabsorption) is a food intolerance in which fructose (fructose) is tolerated only partially or not at all. That is, fructose is not properly absorbed into the bloodstream in the small intestine. It enters the colon and is decomposed by bacteria. This produces gases that can often lead to abdominal pain or other symptoms.

Fructose is not only found in fruits and vegetables, but in many foods such as juices, beer, vegetables, honey and sweets. 15 to 25 percent of people in Germany suffer from fructose intolerance, according to the Deutsches Ärzteblatt (as of 2013). Researchers believe that this number will increase even further, as fructose is used as a sweetener in more and more finished products and beverages.

There is a congenital, as well as an acquired fructose malabsorption. The acquired form can disappear in the course of life or through a special diet.

Fructose intolerance - what can I eat If you can not tolerate fructose, you do not have to do without fruit completely. See here what you are allowed to eat and why it may even be important to consume small amounts of fructose on a regular basis. If you can not tolerate fructose, you do not have to do without fruit completely. See here what you are allowed to eat and why it may even be important to regularly consume small amounts of fructose.

Hereditary Fructose Intolerance (HFI)

One variant of fructose malabsorption is hereditary fructose intolerance. It occurs already in infancy. It is a congenital, potentially life-threatening defect of the fructose metabolism. Even small amounts of fructose can cause serious health complications for those affected. This form of fructose intolerance persists for a lifetime and also requires a lifetime of special diet.

The HFI is very rare. To illustrate the figure, the Journal for Nutritional Medicine works with the following size comparison: If one in every 130,000 inhabitants has a fructose intolerance, one of them has an average hereditary fructose intolerance.

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