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Medicine put to the test

The independent Institute for Quality and Efficiency in Health Care (Institut für Qualität und Wirtschaftlichkeit im Gesundheitswesen, IQWiG) examines the benefits and harms of medical interventions for patients. We provide information about the advantages and disadvantages of examination and treatment methods in the form of scientific reports and easily understandable health information.

IQWiG Autumn Symposium 2026: Save the date

On Friday, 20 November 2026, the IQWiG Autumn Symposium on the topic ‘Focus on low-value care: Insights and options for action’ will take place at the KOMED event complex in Cologne, Germany.

Full details of the programme and regarding registration will be published here shortly.

European benefit assessment of medicinal products

Since early 2025, EU countries have been cooperating more closely in the assessment of new medicinal products under the EU HTA procedure, the European benefit assessment. The aim is to provide Member States with a scientifically sound basis for decisions in their health systems.

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Press releases

Easily understandable information for the general public

InformedHealth.org is the English-language version of the German website Gesundheitsinformation.de. By publishing this bilingual website, IQWiG fulfils part of its legal mandate to inform the general public about health issues. By offering a wide range of different topics, the website addresses both patients and (healthy) consumers.

Irritable bowel syndrome

The typical symptoms of irritable bowel syndrome (IBS) include abdominal pain, constipation and diarrhea. Although IBS isn't dangerous, the symptoms can be very painful and bothersome. Read about the different treatment options and what outcomes can be expected.

Lactose intolerance

People who are lactose-intolerant only tolerate small amounts of lactose. Eating too many dairy products causes digestive problems, including a bloated stomach, feeling full or “gas.” It is usually possible to lead a symptom-free life if you change your diet in certain ways.

Getting involved

Current commenting procedures and calls for tenders