Rash

Rashes come in many forms and varieties. The reason behind the rash can vary. Not all rashes require treatment, but in some cases it can be unfortunate to go untreated over time.

What is a rash?

Rashes are defined as morbid changes in or on the skin. The change can be in the form of dots, color changes, growths or how the skin feels. Rashes can occur anywhere on the body. It can occur together with other symptoms or alone. Exanthema is another term for rash.

Causes of rashes?

There are many different underlying reasons why rashes occur. Some rashes are symptoms of chronic skin diseases, while other rashes are the result of acute diseases and infections. It is not always known what causes certain skin diseases, and in many cases it is believed that there are several factors at play.

Different causes of rashes:

• Bacteria. Bacteria are a natural part of the skin's normal flora. Nevertheless, bacteria can in some cases lead to an infection of the skin, which can appear as a rash. Chickenpox and Lyme disease are examples of bacterial infections that cause a rash.

• Parasites and insects. Insect bites and stings can cause rashes to varying degrees. Some people react more strongly to insects than others. Scabies also causes a rash, and in addition intense itching.

• Virus. Viral infections are a common cause of rashes, especially among children. Chickenpox, molluscum contagiosum, warts and herpes simplex are typical examples.

• Mushroom. Infection with fungi can appear in various places of the body, and examples are ringworm, athlete's foot, and common skin fungus. Damp environments tend to increase the risk of fungal infection.

• Cancer. Skin cancer can be expressed as a rash. This type of rash is often found on the face because the face is exposed to stresses such as sun, wind and weather.

• Allergy. Can cause contact dermatitis as a result of the skin reacting to substances you are allergic to where you have been exposed to the allergen.

• Medicines. Rashes can be side effects of medicines. Then the rash is often symmetrical and itchy. It can be difficult to know whether a drug is to blame for a rash, as it can occur anywhere from one to several weeks after drug exposure. If the rash is the result of an allergic reaction to the medicine, it can appear after just a few minutes. Drug-induced rashes can also vary greatly in appearance and shape. Penicillins are the drug group that most often causes a rash, but a number of other drugs can also cause a rash.

• External stresses. External stresses such as moisture, sun, cold, heat, and generally irritating substances can cause rashes. Examples of rashes that can be caused by external factors can be contact eczema, cold eczema, sun eczema, solar keratosis, nappy rash and heat rash.

• Other reasons. It is not always known the reason behind skin diseases that cause rashes. In several cases, there are several reasons behind this. Atopic eczema, acne, seborrheic eczema, psoriasis, pityriasis rosea, nummular eczema and rosacea are examples of such skin diseases.

Varieties of rash

• Dermatitis. Red and itchy rash.

• The lichen. The skin may feel stiff, with a shell-like surface.

• Tumor. Tumor, growth.

• Nevi. Moles. Darker than the surrounding skin, due to pigment.

• Erythema. Rash where the skin is colored red, and which can often cover a larger area of ​​the skin.

• Makel. Small, often red spots of rash that are not raised above the skin.

• Papules. Small, often red spots of rash raised above the skin.

• Pustules. Small swellings with pus.

• Bull. Larger blisters filled with fluid.

• Vesicles. Smaller blisters with clear fluid.

• Urtica. Red, irregular rash that comes and goes quickly, where some parts of the rash rise above the skin.

• Nodules. Nodules in the skin.

• Folliculitis. Sore, red, pus-filled balls originating from inflammation of hair glands.

Rashes categorized by typical area of ​​the body

• Face. Rashes on the face are especially common among children. Atopic eczema, heat rash, acne, perioral dermatitis, rosacea, fourth and fifth childhood disease, herpes simplex, chickenpox, folliculitis, contact eczema, solar eczema, seborrheic eczema, and skin cancer.

• Crotch/groin. Fungal infection, flat lice, scabies and nappy rash.

• Feet and hands. Athlete's foot is the most common form of rash on the feet. You can also get a fungal infection in your hands, but this is much less common. Other types of rash can be hand, foot and mouth disease, scabies, contact dermatitis, atopic eczema, and dyshidrotic hand and foot eczema.

• Scalp. Seborrheic eczema, psoriasis, lice, and allergic contact dermatitis.

• Eyelid. Atopic eczema, allergic contact dermatitis and blepharitis.

Common rashes in children

Rashes are common in children. Most rashes children have are completely harmless, but if the general condition of the child is affected, it may be worth contacting health personnel for possible investigation and treatment.

Typical child rashes:

• Chickenpox

• Fourth childhood disease

• Fifth childhood disease

• Chickenpox

• Hand, foot and mouth disease

• Atopic eczema

• Molluscs

Treatment for rashes

Some rashes require no treatment and will go away on their own. Other rashes, on the other hand, are important to treat. Both because they can be experienced as very troublesome, and because they do not go away without treatment. Some rashes can also be contagious, and without a rash