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We are here to help you make informed decisions! Our website offers trustworthy and easy-to-understand information on a broad range of health topics. Our goal is to allow you to use this knowledge in everyday life. The information can help you to talk with doctors and other medical professionals, but not replace appointments.


IQWiG is an independent scientific institution in Germany. It is funded through contributions from the German statutory health insurance funds. Its legal responsibilities include the assessment of diagnostic tests and medical treatments. InformedHealth.org is the English-language version of IQWiG’s German website Gesundheitsinformation.de. It provides the general public with independent, ad-free and cost-free information on many common health issues.

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Our content is developed according to international quality standards and includes articles, graphics and films. We are a diverse team with backgrounds in science, medicine and journalism. We base our information on both high-quality scientific studies and the needs of patients and consumers. Our team ensures that the content of InformedHealth.org is easy to understand, complete and up to date.

Further topics

  • Photo of a man doing laundry

    Dust mite allergies

    Dust mite allergies usually develop in childhood or puberty. The symptoms (such as sneezing) aren’t actually caused by the dust itself, but by substa...

  • Photo of girl holding a kitten

    Allergies to animals

    People aren't allergic to the fur of animals, but rather to proteins that are found on the animal's dander (skin flakes), sweat or spit. The allergy ...

  • Photo of a woman choosing a piece of cake at a café

    Food allergies

    In food allergies, even small amounts of the food can be enough to trigger an allergic reaction (e.g. itching and swelling in the mouth and throat, o...

  • Gallstones


    We all have stomach ache and indigestion every now and then. It usually isn’t anything serious. But cramp-like abdominal pain may be a sign of gallst...

  • Seborrheic dermatitis

    Seborrheic dermatitis

    Seborrheic dermatitis is a non-infectious skin condition. It leads to scaly patches of skin with oily dandruff-like flakes, especially on the face an...

  • Photo of a man


    Syphilis is a sexually transmitted infection (STI) caused by bacteria. Sometimes there are no noticeable symptoms, but it may go through various stag...

  • Slipped disc

    Slipped disc

    A slipped disc in the lumbar (lower back) region can cause spinal disc tissue to press against nerves, resulting in severe pain that can even spread ...

  • Glaucoma


    As we age, we may develop eye diseases that make it more difficult to see well, or that can sometimes have serious consequences. Glaucoma is one of t...

  • Outer ear infection

    Outer ear infection

    Outer ear infections are often referred to as “swimmer’s ear.” The ear may become blocked, feel uncomfortable or hurt. Swimmer’s ear is usually cause...

  • Photo of a couple measuring blood pressure

    Atrial flutter

    Atrial flutter is a heart rhythm disorder that usually affects the right atrium of the heart and comes in attacks. It is often caused by a heart cond...

  • Photo of a woman blowing her nose

    Hay fever

    If you have hay fever, you're not alone: About 1 in 4 people have this allergy. Various medications and allergen-specific immunotherapy often provide...

  • Insect venom allergies

    Insect venom allergies

    We all get stung or bitten by insects every now and then – and most people end up with a small, red, itchy bump as a result. But those who are allerg...

  • Photo of a man with a bruised knee

    Bruised knee

    Bruising to the knee is usually not harmful and will clear up on its own within a few days or weeks. You can help it heal by putting your leg up and ...

  • Photo of a doctor examining a patient

    Baker’s cysts

    A Baker’s cyst is a fluid-filled cyst on the back of the knee. It is usually caused by damage to the knee joint. Large cysts can be painful and limit...