Illustrative image article about the most common skin diseases. Girl with pimples on her face.

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These are the 7 most common skin diseases in Norway

Although there are many different skin diseases and skin problems, there are some skin diseases that are more common than others. There are many who live with chronic skin diseases, and the diseases described in this article are the 7 most common skin diseases in Norway.

Several of the 7 most common skin diseases in Norway are chronic, which means that many will need treatment over time. In the medical context, diseases that last for more than 6 months are often referred to as chronic diseases. This is in contrast to acute illness which is not long-lasting.

Some chronic skin diseases you have to expect to live with for the rest of your life, while other chronic skin diseases can be cured in the long term.

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The 7 most common skin diseases in Norway


You get acne, or pimples, as a result of inflamed sebaceous glands in the skin. The sebaceous glands lie under the skin and produce sebum (sebum) which lubricates the hair strands and skin.

It is perfectly normal to get pimples, and most people will find that in their teens they have pimples for shorter or longer periods.

If a larger amount of sebum is produced than usual, you can see this as black or white blackheads in the pores. This sebum will be broken down by bacteria that excrete waste products in the process. These waste products cause the sebaceous gland to become inflamed and a pimple to form.

It is important to point out that pimples are not caused by poor hygiene.

However, there are several reasons why acne occurs. Among other things, women can get pimples from stress, contraceptives, menstruation, pregnancy or simply that make-up clogs the pores.

Since male sex hormones stimulate sebum production, this is also a common contributor to acne, especially in boys during puberty.

Most pimples disappear on their own after a short time. On the other hand, acne that persists over time can be both bothersome and cause scarring of the skin.

With persistent acne, it is therefore important to treat the condition. Many people have good help from various creams or cleansers that can be bought in regular stores.

If self-treatment does not help, it may be necessary to use prescription drugs. If this becomes necessary, your dermatologist will prescribe the medication you are going to use, as well as make a treatment plan for you. 


Rosacea is a chronic inflammation that causes redness of the facial skin. In the beginning, the symptoms are redness that lasts for about 5 minutes. Eventually, the symptoms may also include pimples and swelling. Often, dilated blood vessels in the skin will be visible.

Rosacea usually affects the areas over the nose, forehead and cheeks. Some people will also experience that the skin on the eyelids becomes red and irritated.

It varies how hard rosacea hits. Some people get mild rashes that do not worsen over time, while others can get more serious and annoying rashes and skin changes.

Since rosacea is a chronic inflammation, it is unfortunately not possible to treat the condition so that it disappears completely. But with the right medication and preventative habits, you can achieve good relief of the symptoms. 

Your dermatologist will create a treatment plan for you, and usually it will consist of using selected creams that are applied locally on the areas. If this is not enough, your dermatologist may consider whether it is appropriate for you to take a tablet regimen with antibiotics.


Psoriasis is a chronic condition that causes inflammation of the skin. The condition is quite common and around 2% of the Norwegian population has psoriasis.

The skin disease typically gives a red rash with limited crusts that flake and are whitish in color. The rash may appear as larger spots or as small nodules in different places on the body.

The rash most often appears on the scalp, on the ears and genitals, as well as the stretch side of the elbows, back and knees. The ailments can vary from person to person.

There are uncertain reasons why someone gets psoriasis, but we know that heredity is an important factor. If one of your parents has psoriasis, there is a 40-50% chance that you will also develop it.

The rash can also be aggravated or triggered by external factors such as stress, medication and alcohol.

Most people with psoriasis will experience the first outbreak in their teens or early twenties, but it occurs in all age groups. The first outbreak would like to disappear, but will be followed by new outbreaks.

Psoriasis is treated with various medications. The most common are various creams, but it may also be relevant to use tablet treatment, injection treatment, light treatment or immunosuppressive medication. The treatment depends on the severity of the case.

In addition, it is important to avoid factors that can aggravate the rash. 

Atopic eczema

Atopic eczema is another of the 7 most common skin diseases in Norway. It is a chronic and recurrent disease, where it varies how hard the individual is hit.

Some people experience only a few small, dry skin areas that itch a little, while others experience violent rashes on larger areas of skin. Many also experience that the condition fluctuates between good and bad periods.

There can be several causes for atopic eczema, but heredity plays an important role. There are also other risk factors that can aggravate the rash. If you suffer from atopic eczema, there is also a greater chance that you suffer from asthma or other allergies.

Since atopic eczema is a chronic condition, treatment consists of symptom relief. Many people have a good effect from this and experience long periods without eczema rash. The most common treatment is a combination of moisturizers and steroid ointments that reduce inflammation.

To avoid new eczema outbreaks, you must use the creams regularly and over time.

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Contact dermatitis

Contact dermatitis is an acute inflammation of the skin. Inflammation is triggered by irritants or allergies.

Some are more sensitive to various substances and will have more contact dermatitis than others. Women are affected more often than men. Contact dermatitis often appears on the hands. With contact dermatitis, you will experience itching, burning, redness and rash in the areas that have been in contact with the substance you are reacting to.

The most common cause of the rash is that the skin has come in contact with irritants. This can be anything from soap, shampoo or detergent to latex and nickel.

The rash can be treated, but to prevent it from returning, it is important to avoid the triggers.

Seborrheic eczema

Seborrheic eczema can be recognized on flaky, eczema-like rashes. The rash usually appears in areas of skin with many sebaceous glands which makes the face, scalp and ears particularly vulnerable.

Seborrheic eczema often itches and it can dandruff a lot. The rash is usually symmetrical and the dandruff flakes are either dry and white or yellow and oily.

It is most common to see this rash in young children and adults between 30 and 60 years. The rash affects men more often than women.

It is difficult to say for sure, but it may seem that seborrheic dermatitis occurs due to a reaction to the naturally occurring skin fungus Malassezia.

The treatment of the rash consists of various spreadable drugs that target the skin fungus that has created the reaction.

Urticaria (hives)

Hives are a very common skin disease that occurs as itchy swellings in the skin, and is an acute reaction. The swellings may be more or less red. Hives are very common, but most people will only experience a single reaction, or only a few. About 1% of the population suffers from chronic hives.

If you have chronic hives, the rash will come and go, preferably at certain intervals. Treatment with antihistamines can be effective because hives are often caused by the body releasing histamines.

The rash occurs when blood vessels in the dermis expand, which results in increased blood flow to the skin. When this happens, blood plasma seeps into the tissue. This is what causes the swelling in the upper part of the skin.

Symptoms are itching and blisters that may be small or flow together into a larger swelling. Because the cause is deeper in the skin, you will not experience blisters or flakes. The skin will look completely normal when the rash disappears. 

The swelling will occur in a short time, and disappear within a few hours.  

More about skin diseases

As mentioned, these are just some of the most common skin diseases. We are constantly expanding eClinic's article archive, where you will find more useful information.

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