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The most important facts at a glance
What are food intolerances?
Food intolerances are reactions of the body to certain foods that are usually not immunologically caused. Unlike allergies, they are not usually life-threatening, but can cause unpleasant symptoms.
Types of food intolerances
There are different types of food intolerances, including lactose intolerance, gluten intolerance (coeliac disease), fructose malabsorption and histamine intolerance. Each of these intolerances has different triggers and symptoms.
Frequency in Germany
The frequency of food intolerances varies according to type and region, but they are widespread in the population. An estimated 15 to 20 percent in Germany are affected by lactose intolerance and 1% in Germany suffer from gluten intolerance, according to the German Celiac Society (DZG).
Causes of food intolerances
The causes of food intolerances are varied. Lactose intolerance occurs when the body does not produce enough of the enzyme lactase to break down milk sugar (lactose). Gluten intolerance (coeliac disease) is an autoimmune disease in which the body cannot tolerate gluten. Other intolerances can be caused by enzymatic defects or problems with the digestion of certain food components.
Symptoms
Symptoms of food intolerances can include gastrointestinal discomfort, bloating, abdominal pain, diarrhea, nausea, skin rashes and headaches. The symptoms usually occur after eating the triggering food.
FAQs
Symptoms may include bloating, abdominal pain, diarrhea, headaches and fatigue. If you notice these signs, you may have an intolerance. MedWatcher offers up-to-date information on intolerances. Get informed now!
While intolerances often cause digestive problems, allergies trigger an immune reaction that can also be life-threatening. At MedWatcher you will find detailed differences and causes of intolerances and allergies.
Lactose, fructose and histamine intolerance are among the most common intolerances. Each has its own causes and symptoms, so it is important to identify the exact trigger.
Intolerances can often be identified by keeping a food diary and subsequent elimination and provocation tests. A doctor or nutritionist can help with this.
It is usually necessary to avoid or reduce the food that is causing the intolerance. Sometimes enzyme preparations can also help, such as lactase for lactose intolerance.