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Types Of Rashes

Updated on October 22, 2011

The term rash does not refer to any particular disorder or a disease rather a rash is defined as an inflammation of skin followed by the appearance of red spots or marks on the skin causing severe itching.

Therefore a rash is a condition rather than a disease.

There are many reasons why a rash can occur on the body. Mostly it is caused due to an allergic reaction to something or any bacterial or fungal infection. A rash is usually a symptom of diseases.

There are also many types of rashes that are categorized into different classes on the basis of their cause and severity. Below are the different types of rashes:


Eczema is a condition during which the body gets covered with red scratchy marks which can be caused due to many reasons. 

Atopic dermatitis
Atopic dermatitis

Eczema is a general term given to these red, scaly and itchy rashes but on a broader term these rashes are further classified into types depending on their causes. These are:

  • Atopic dermatitis
  • Contact dermatitis

Atopic Dermatitis

What causes the topic dermatitis precisely is not known. It may be caused due to certain allergic reactions or it may be heredity.

In most cases scaly and itchy scars starts to appear at a very young age on cheeks and various other parts of the body. Mostly they burn put as a person hits his or her puberty but in some cases the condition may prevail throughout the adulthood.

Atopic dermatitis may also appear at any age as a result of certain allergic reactions the cause of which is not yet certain.

Contact Dermatitis
Contact Dermatitis

Contact Dermatitis

Contact dermatitis is a severe form of eczema caused by allergic reactions to certain poisonous pants, nickel jewelry or rubber.

The first rash appears on the spot where the skin came in contact with the item causing the allergy and then spread all over the body.

The condition gets worse if not treated immediately. A proper treatment as soon the rashes start to spread must be given before the condition gets worse.

Hives or Urticaria

Hives or Urticaria is a common type of rash which is caused due to an allergic reaction to certain foods or medicines. Some other substances such as hair dyes may also cause hives.

These rashes are usually pink or red and are bumpy, some times patchy and very itchy. A fluid gets accumulated under the rashes and the skin cells get inflamed.

The hives can be cured by histamine which restores the skin cells and the inflamed blood vessels. Angioedema is a special type of hives in which the entire body swells. It is a very type of rash and caused by allergic reaction to certain medicines.

Pityriasis Rosea
Pityriasis Rosea

Pityriasis Rosea

Pityriasis rosea is comparatively rare type of rash the cause of which is undetermined. it usually appears in youths and is believed by some dermatologists as a symptom of some internal body changes. It is characterized by the appearance of small, red and flat patches on knees and elbows. In most cases, the patches may also appear on the face and other parts of the body.

A small patch called as the primary or the herald patch, which is very small first, appears behind the knees. Following the primary patch much larger and flat rashes start to appear on the other parts of the body.

These rashes do not require a medication as they generally start to disappear themselves in 1-2 weeks. In many cases, inflammation of body and fever may follow the appearance of rashes, in such cases it takes almost 6 weeks for the rashes and the illness to clear.

Psoriasis on a fingernail.
Psoriasis on a fingernail.


Psoriasis is another common type of rashes. It is heredity in nature and may appear at any stage of one’s life.

These are thick scaled, purplish or pinkish rashes and they usually appear on the elbows, neck, scalp or the back.

These rashes are very dangerous and they can cause a severe damage to the skin. In most cases, they do not appear but remain inert in the genomic system. Stress or illness triggers their appearance. There is unfortunately no cure for psoriasis.


Impetigo is a severe kind of rashes caused by certain streptococcus bacteria.

They cause small-crusted sores on the body, which can be very painful. An antibiotic treatment of these rashes is necessary.


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    • profile image

      ITCHY LEG 

      7 years ago

      i have an uncommon rash that is all the way down the back end of my leg starting at the knee down it is about 2cm wide it is red in little areas but not much and it feels rough what is the name of this rash??????

    • profile image

      ITCHY LEG 

      7 years ago

      i have an uncommon rash that is all the way down the back end of my leg starting at the knee down it is about 2cm wide it is red in little areas but not much and it feels rough what is the name of this rash??????

    • hassam profile imageAUTHOR


      8 years ago from Pakistan

      Thanks a lot! :)

    • profile image


      8 years ago

      These really are some wonderful pieces of information. The explanation on each and every type of rashes looks fabulous and more over informative in every aspect. Loved your writing too.

    • brightnewday profile image


      8 years ago from USA

      great info. You must be reading a lot and have wide ranges of interest. I can see from the list of your hubs.


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