Rash on forearm

definition

In principle, rashes can appear on a wide variety of parts of the body. Sometimes they show symptoms, such as itching, with rashes often being symptom-free. The forearm is relatively often affected by a rash. A variety of rashes can affect both the front and the extensor side of the forearm. Many rashes on the forearm show a localization typical of the disease, so that some are more limited to the flexor or extensor side. A rash on the forearm is often not limited to this, but can also affect other parts of the body, such as the upper arm, the hand or even the trunk. In the context of many diseases, the forearm is just one of many parts of the body that are affected by the rash.

causes

The causes of a rash on the forearm are diverse. Some rashes only affect the forearm, while others spread to other parts of the body. Here are some of the causes that can cause a rash on the forearm.

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1. Infections:
   A number of different infections can cause a forearm rash. The forearms are usually involved in the classic teething troubles measles, rubella, rubella, chickenpox and scarlet fever. However, other regions of the body, such as the face and trunk, are also affected by the rash. General symptoms such as fever, a feeling of sickness and aching limbs also occur.
   Apart from the classic childhood diseases, other infectious diseases are also possible. This includes syphilis, among others. The blotchy rash of syphilis is often limited to the hands, feet, and forearms and typically is not itchy.
   
2. Atopic dermatitis:
   Atopic dermatitis, also known as neurodermatitis, characteristically shows an itchy, dry and scaly rash, which is mainly found on the flexor side, for example in the elbow. It occurs especially in childhood and adolescence.
   
   Read more about the topic here: Rash in the crook of the elbow.
   
3. Psoriasis:
   Psoriasis, which is also known as psoriasis, is often confused with neurodermatitis, but usually only occurs at an advanced age. Itchy, red, scaly rashes on the extensor sides of the arms are typical. Furthermore, yellow-brownish changes are almost always found on the nails.
   
4. Allergy:
   An allergy can lead to itchy, reddish rashes on the forearms. Usually, however, the entire body or at least other parts of the body is affected. Typically, the skin symptoms are not sharply demarcated from the surrounding, healthy skin.
   
5. Contact dermatitis:
   Contact dermatitis is a skin rash that occurs when the skin comes into contact with allergy-causing substances or toxic substances. Common allergens are, for example, nickel or fragrances. Wearing latex gloves can also lead to a rash on the forearm. Toxic contact dermatitis, which occurs through contact with “toxic” substances, is always sharply limited to the contact area.
   
6. Scabies:
   The scabies, also known colloquially as scabies, leads to severe itching and burning of the skin. It is caused by so-called itch mites and is highly contagious. The forearms, especially the flexors, can be affected. The spaces between the fingers and toes, as well as the genital region, are also often affected.

allergy

Existing allergies are possible triggers for a rash on the forearm. A distinction is made between allergic skin rashes and allergic contact eczema.
Allergic rashes are based on a reaction of the body to a substance taken into the body. For example, they are created by Food or drug allergies. Usually such rashes are found on the entire body or at least on different parts of the body. A itching is possible.
Allergic contact eczema arise through the direct, immediate contact with the skin with the allergy-causing substance. Common allergens are nickel, chromium salts (contained in many types of leather or building materials) or ingredients in cosmetics. The rashes caused are on the Limited contact area.

For more information on allergic rashes, see: Rash from allergies

diagnosis

The diagnosis of a rash on the forearm can be made by a trained professional House- or one Dermatologist be asked.
First of all, a few questions are important to clarify potential causes. The Duration of the rash that Time of occurrence, possible Concomitant symptoms and inquiring about known allergies or one Taking a new drug can provide information about possible causes.
Furthermore, the close consideration and description of the rash on the forearm is important. So can potential causes through a typical appearance be limited, as is the case with measles, for example. Except for the forearms, the entire skin needs to be considered.
In some cases, advanced diagnostic tools such as Blood testswho won the investigation of Skin samples or Allergy tests may be necessary to confirm the diagnosis.

Concomitant symptoms

A rash on the forearms can be accompanied by many different symptoms. These provide clues about the cause of the rash.
Lots Infectious diseases, like measles, rubella or scarlet fever, go with you fever, Body aches and a general Feeling sick hand in hand. For example, scarlet fever is characterized by tonsillitis and a sore throat.
Allergic rashes, Neurodermatitis and psoriasis the forearms can be of a strong itching be accompanied.

Treatment of the rash on the forearm

It exists no uniform treatment of the rash on the forearm. Since the most diverse causes can hide behind a rash on the forearm, it is necessary to clarify the cause before treatment. Only then can therapy be initiated.

Many illnesses require no special or causal treatment. This includes the rubella, measles or Ringlet rubellabecause they heal by themselves and are only treated symptomatically with antipyretic and pain reliever medication. At the Scarlet fever come to fight the pathogen Antibiotics for use.

Rashes in one scabies be with Permethrin treated. This active ingredient is applied once to the skin and kills the itch mites.

Allergic rashes are with so-called Antihistamines or Glucocorticoids treatments that inhibit itching and reduce the inflammatory response. Of course, it is then important to avoid the triggering allergen.
Complex skin disorders like that Neurodermatitis and the psoriasis, receive individualized treatmentswhere creams with glucocorticoids are used, among other things.

Duration of the existing rash

The duration of a rash on the forearm can vary widely.
Rashes in viral diseases like the measles, rubella or Ringlet rubella, mostly evaporate after a few days. Usually after a maximum of 14 days, the rashes are no longer visible.
However, the situation is different with diseases like that Neurodermatitis or the psoriasis out. These usually show you relapsing course. The rash comes and goes, usually for a lifetime. '
A parasitic infestation with itch mites or one Fungal disease does not go away until it has been treated so that a Duration of several weeks possible is.
Allergic reaction are also often volatile after a few daysprovided the allergy-causing substance is not constantly supplied. Then the rash can last longer.

Blistered rash

There are some medical conditions that cause a blistered rash. These include those caused by a herpes virus chickenpox. This disease leads to education itchy blistersextending from the trunk to the entire body and the Mucous membranes spread. The Blisters burst and crust. There are always burst and new still closed bubbles at the same time.
Another condition that leads to a blistered rash on your forearms is that Shingles. It is also caused by this herpes virus and shows one segmental involvement. Are typical strong pain in the area of ​​the rash, as well fever and a general Exhaustion.

itchy rash on the forearm

Itching isn't just one frequent, but also a stressful one symptom many rashes. Rashes on the forearm can also be accompanied by itching. Possible causes for a skin rash on the forearm that itches are those Rashes of Measles, rubella or chickenpox. These infectious diseases also cause symptoms such as fever, general fatigue and body aches. Continue to lead allergic rashes often causing itching. A scabies the forearm is also accompanied by severe itching. Also the Neurodermatitis and the psoriasis lead to itching.

Rash without itching

Although itching is a common symptom that occurs with rashes on the forearm, there are also some conditions that do not itch. These include, for example rubella or the Scarlet fever rash. At a syphilis no itching is to be expected either.
Although allergic rashes are often itchy, they do not necessarily have to be itchy. It can also be very mild or not occur at all. The same applies to neurodermatitis or psoriasis. Itching is not always present in every affected person.

Rash on the inside of the forearm

The insides of the forearms are a typical localization for various skin rashes.
A classic example of such a rash is atopic dermatitis, which is also known as atopic dermatitis. In adolescents and adults, dry, scaly eczema appears on the flexors of the arms and legs and on other areas of the skin. Itching is typical of the eczema. In contrast, atopic dermatitis in small children tends to affect the extensor sides.

It is different with psoriasis. This leads to eczema on the flexor sides of the arms, especially in young children, whereas adults typically develop rashes on the extensor sides. Psoriasis is also characterized by dry and flaky eczema, which itches in 2/3 of those affected. The two diseases are often confused.

Another condition that affects the inside of the forearms is scabies. The rash caused by itch mites is characterized by very severe itching. Usually other parts of the body such as the spaces between the fingers and toes and the genital area are also affected.

Are you interested in this topic? Read more about this under: Neurodermatitis in the crook of the arm

Rash on child's forearm

Childhood rashes are very common. Many viral diseases, including the classic ones Teething problems, lead to rashes. In these diseases, however, the forearm is only one of many parts of the body that is affected. Rubella, measles, rubella and chickenpox are examples of such teething problems. Another common infection is the Scarlet feverwhich, aside from a blotchy rash, leads to tonsillitis with a sore throat.

A targeted infestation of the forearms in children can indicate a scabies be due. It is caused by itch mites and causes itchy, red rashes on the flexors of the forearms. The spaces between the fingers and toes are also often affected.

Last is the Neurodermatitis to be named as the cause. About 10 to 15% of all children suffer from neurodermatitis. It is therefore a very common skin disease in childhood. Itchy and dry areas of the skin on the flexors of the forearms are typical. Incidentally, neurodermatitis is common associated with allergies or asthma. In fact, in 50% of the cases Food allergies in the affected children.

Rash on forearm and lower leg

Rashes are often not just limited to the forearms. Usually other parts of the body are also affected. There are several causes of a rash on the forearm and lower leg. These include viral diseases such as measles, rubella and rubella. An allergic reaction can also affect both the lower legs and forearms. Psoriasis is often characterized by an attack on several parts of the body, so that the extensor sides of the forearms and lower legs can be particularly affected. Neurodermatitis, on the other hand, often leads to rashes on the elbows and squats.

Read more about this under Rash on the lower leg

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