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Our information is checked in various ways. We continuously use the results of these checks in our writing and editing processes. The accessibility of the website is tested as well, to make sure that our health information is available to those who have physical disabilities like poor vision.

As part of our routine evaluation measures, we also monitor the visits to our website. For example, we find out how many people visit the site, how many pages they look at, and whether they make use of our navigation features. In this way we can see which topics and aspects of topics are of greatest interest.

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On top of this, we talk to patient representatives and users to receive more feedback.

German Network for Evidence-based medicine. Gute Praxis Gesundheitsinformation. Berlin: 2015.

Institute for Quality and Efficiency in Health Care (IQWiG, Germany). General methods. Version 5.0. Cologne: IQWiG; 2017.

IQWiG health information is written with the aim of helping people understand the advantages and disadvantages of the main treatment options and health care services.

Because IQWiG is a German institute, some of the information provided here is specific to the German health care system. The suitability of any of the described options in an individual case can be determined by talking to a doctor. can provide support for talks with doctors and other medical professionals, but cannot replace them. We do not offer individual consultations.

Our information is based on the results of good-quality studies. It is written by a team of health care professionals, scientists and editors, and reviewed by external experts. You can find a detailed description of how our health information is produced and updated in our methods.

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Please note that we do not provide individual advice on matters of health. You can read about where to find help and support in Germany in our information “How can I find self-help groups and information centers?

Updated on January 16, 2020
Next planned update: 2023


Institute for Quality and Efficiency in Health Care (IQWiG, Germany)

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