Can you describe a scaly person

Skin diseases (dermatoses) are diseases that mainly take place on the skin itself. But they can also affect the sebum and sweat glands, hair or nails.

The skin reacts to external stimuli such as pathogens, cold, heat, radiation, poisons or drugs. But internal processes such as hormonal changes or an autoimmune disease can also cause skin changes. These are mostly visible to the naked eye.

The right contact person for skin diseases is Dermatologist. On this page you will find out everything you need to know about the most common skin diseases and how to recognize them.

Recognize skin diseases

Skin changes occur in many skin diseases. You can individually occur or coherent affect a larger area of ​​skin. Alsopatchy skin changes (Efflorescences) occur.

Typical signs of a skin condition include:

  • Wheals
  • Papules
  • Nodules
  • Pustules
  • Vesicles

In the further course the skin can flake off or turn into crusts, crusts and scars. Acute and chronic skin diseases are often characterized by severe itching accompanied. In addition, various tumors can develop on the skin.

Skin changes can appear on the face, body or hairy scalp. How to recognize the most common skin changes can be seen in the following picture gallery:

Common skin diseases

Neurodermatitis, shingles, athlete's foot: the list of skin diseases is long. Almost everyone makes the acquaintance of an unpleasant one in the course of their life Skin changes. Depending on where it occurs and what it looks like, you can identify the cause.

Also allergic reactioncan change the skin. On the overview page allergy you can find more information on this.

You can learn more about the most common skin diseases in the following sections:


Everyone has impure skin. But between 70 and 80 percent of teenagers suffer from acne. With that, acne is the one most common skin disease worldwide. The sebum glands and become inflamed purulent pustules, pimples and blackheads arise.

The reason for the skin changes is usually that hormonal change during puberty. Acne can occur on the face, back, or in folds of the body such as the armpit. Depending on how pronounced the pustules and pimples are, the skin disease can leave scars and be very stressful for those affected. Read more!


Neurodermatitis, also called atopic dermatitis or atopic eczema, is a widespread, chronic skin disease. The rash is itchy non-infectious.

The inflammatory skin change usually occurs in the Childhood on. More than every tenth child in Germany has had atopic eczema once in their life. But adults can also suffer from neurodermatitis.

Over the years, the symptoms of many patients improve - in some the symptoms even disappear completely. You can find out more in the following texts:


Psoriasis is one inflammatory skin disease. Red, itchy, scaly skin changes are typical of psoriasis. The chronic disease progresses in flares and is not contagious. So far there is no cure.

About two percent of Germans suffer from psoriasis. The skin disease usually begins in adolescence or young adulthood (type 1). But psoriasis can also appear for the first time between the ages of 50 and 70 (type 2).

Psoriasis can basically all parts of the body affect. However, it usually shows up on the knees, elbows, rump or on the palms of the hands and feet. In some cases of illness, psoriasis occurs on the face, on the hairy scalp or on the nails. Apart from that, the disease can also affect the joints.

Skin cancer

A distinction is made primarily between black and white skin cancer. But there are other skin cancers as well. For example, lymph gland cancer of the skin, sarcomas or Paget's disease. Other cancers in the body can also show up on the skin.

Black Skincancer typically looks like an irregular or misshapen, dark spot. The color, size and shape of the stain will change over time. Apart from the changes in the skin, skin cancer does not cause any symptoms at first. More than 250,000 people worldwide develop black skin cancer every year.

Behind the designation White skin cancer stuck basal cell carcinoma and squamous cell carcinoma. White skin cancer can look different. The skin is flaky, uneven, or the skin color changes. Around two to three million people worldwide develop light skin cancer every year.


Herpes diseases are through Viruses caused Infectious diseases. Once infected, the virus will remain in the body for a lifetime. There are several herpes viruses that can affect humans. That is why they are also called human herpes viruses (HHV):

  • HHV-1 = herpes simplex virus 1
  • HHV-2 = herpes simplex virus 2
  • HHV-3 = varicella-zoster virus (chickenpox, shingles)
  • HHV-4 = Epstein-Barr virus (Glandular Pfeiffer fever)
  • HHV-5 = Cytomegaly virus (CMV)
  • HHV-6 and HHV-7 (three-day fever)
  • HHV-8 = Kaposi's sarcoma virus

The individual types of viruses usually cause different diseases and different complaints. The skin and mucous membranes are mainly attacked by the herpes simplex viruses. The three-day fever also manifests itself as a typical rash. Read more about herpes diseases:


Warts are benign skin growths that caused by viruses become. That is, they are contagious. They can appear on different parts of the body and usually go away on their own after a few weeks or months.

The typical skin warts, medically called Verrucae vulgares, are caused by an infection with certain Human papillomavirus(HPV) evoked. Almost everyone will have a wart at some point in their life. The skin changes occur particularly frequently in children and adolescents.

Skin diseases on the face

Unfortunately, the face is not spared from skin diseases either. Once infected with the herpes virus, it can always come back too Cold sore come. Also Shingles can appear on the face - this is usually particularly stressful for the person concerned.

The skin disease Rosacea only affects the face: the skin is very red and painful blisters form.

Here you can find out everything you need to know about skin diseases on the face:

Infectious skin diseases

Some skin diseases are contagious. Already through Body contact to other people, about finest Droplets from the air we breathe or also at unprotected sex transmission occurs. You can get more information on the site Venereal diseases.

Children, the elderly and people with a weak immune system are particularly at risk of infection. For example, an HIV disease or the use of certain medications weaken the immune system.

Here you can find out which skin diseases transferable and how you can protect yourself from infection.

Skin diseases from A to Z

Tips for healthy skin

The skin is a natural barrier and is exposed to many environmental influences every day. The best protection against skin diseases is therefore healthy skin. With a balanced diet rich in vitamins and the proper care you can support your skin health.

More about skin diseases

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