A rash is a superficial change in the skin.In technical jargon, the rash on the skin is also called "Rash" designated.
Depending on the cause of the rash, its appearance and accompanying symptoms will vary. Almost always there is reddening of the affected skin area with overheating. The reddening can be spotted, blotchy or a homogeneous area.
In addition, in some cases there are wheals or pustules that contain a secretion that can be clear, purulent, sterile or infectious.
The causes of skin rashes are numerous. Skin rashes are a superficially visible accompanying symptom of many diseases. They can be divided into infectious diseases, allergies and chronic skin diseases.
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Infectious diseases that cause skin rashes are numerous and triggered by fungi, bacteria and, to a large extent, viral pathogens.
Many of them are among the vaccine-preventable childhood diseases. These include measles, rubella and chickenpox.
These pathogens can also develop into adulthood.
Other common infectious diseases with accompanying skin rashes are rubella, shingles, thrush, syphilis and many others.
If there is no pathogen-related disease, the rash may have been triggered by an allergic reaction.
The rash can be a symptom of a general systemic allergic reaction or occur on the affected skin area as a result of a contact allergy. Particles in the air are just as possible for allergic reactions as substances with which the skin comes into contact.
Food, medication, or sunlight can also cause allergies, which can be accompanied by rashes. In addition, there is often severe itching of the affected areas and accompanying allergic symptoms.
A variety of chronic skin conditions cause rashes. Common representatives are psoriasis or neurodermatitis.
They occur for reasons that are not clear.
Read more on the topic: Light therapy for psoriasis
In atopic dermatitis, rashes on the skin with severe itching occur in attacks. In many cases, the disease disappears with the onset of adulthood. Treating chronic skin diseases is a tedious process.
Read more on the subject below Causes of rash
A diagnosis is necessary anamnese, as well as an intense one inspection the rash and accompanying symptoms.
The rashes of various infectious diseases can often be distinguished from the outside. Also the Temporal course and spread of the rash give plenty of clues as to the underlying cause.
For example, a Measles rash as knotty and blotchy described, whereas the rash at chickenpox With clear bubbles goes hand in hand.
The anamnesis shows whether there was contact with infectious diseases or whether contact with an allergen has occurred if an allergic reaction is suspected.
A final diagnosis can be made in the case of pathogen-related diseases A smear or blood test to identify the pathogen. Allergy tests can in turn prove a reaction to certain allergens.
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In order to be able to diagnose a chronic skin change with certainty, a Skin biopsy to be necessary. The subsequent treatment must take place depending on the certain cause.
A rash can take many forms. It must be taken into account at which parts of the body it occurs, how large its overall extent is and which accompanying symptoms occur.
In addition to Redness the skin can too punctual, blotchy or nodular rashes come. Also can Blisters and wheals occur that are filled with secretions. The rash can pain or an uncomfortable itch entail.
At Infectious diseases can it to General symptoms such as fever, nausea, headache, body aches and weakness.
In allergic reactions, the extent of the accompanying symptoms depends on the severity of the allergy. It can Sore throat, runny nose and itching occur.
In severe allergic reactions to anaphylactic reactions, a Shortness of breath with cardiac arrest arise.
itching caused by irritation of the nerves of the superficial skin. A rash often becomes itchy and sometimes itchy painwhich can be very uncomfortable.
The itching can appear on any skin rash.
It is important not to scratch, as the pustules contain an infectious secretion that spreads the infection.
The itching can be relieved through cooling or special creams and ointments. Antihistamines work above all allergic itching opposite.
Also cortisone creams can provide relief.
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In order to achieve complete healing, however, one must the cause of the rash be treated.
If there is permanent scratching of the rash or, for example, chickenpox, it can be permanent scar arise.
If you have a rash that only on the inside of both arms can be found, all of the causes mentioned may initially come into question.
All infectious diseases, allergies and skin diseases that cause rashes can only be limited to the arms.
The inside of the upper arms lies close to the body and is often increased Moisture and sweat production affected.
There is also less hair on the inside of the arms and the skin is more sensitive.
If the skin is moist, irritation and small pimples can occur. Furthermore, the symptom of "heat rash" on. It refers to Skin irritation and rashes caused by heat and moisture appear favored.
Rashes on the outside of the upper arm can also result Infectious diseases or allergies occur.
In the case of smaller rashes, however, the causes are often different. The outside of the arms are particularly exposed to sunlight. It is important to protect the upper arms and shoulders from excessive sunlight. As a result, the outside of the upper arms is always surrounded by a dry skin environment.
Also Creams and ointments can cause rashes on the upper arm. It often helps to change the cream or leave it out.
The upper arms can also be irritated from friction from clothing that is too tight. Especially with colder temperatures skin irritation from clothing can occur.
A Rash on the face does not necessarily have to indicate an infectious disease.
The face is particularly exposed to the external environment and the sunlight.
The sweat production on the face is also very pronounced, especially in men who also have facial hair.
Skin irritations and "heat rash" are often found on the face. Many too Cosmetic products are used on the face and can irritate the skin.
At Young children with rashes there is always a suspicion of a typical childhood disease, which is often triggered by viral pathogens.
$config[ads_text1] not foundThe typical representatives are chickenpox, measles, Scarlet fever and rubella.
The Rashes are infectious and must be special hygienically treated become. Against some of these diseases exist Vaccinationsthat make disease unlikely.
Chronic skin diseases and allergies also increasingly affect young children. The extent of the skin diseases often change by puberty and sometimes disappear completely by adulthood.
The treatment of rashes on the upper arm must be planned depending on the cause. Once the diagnosis has been made, the underlying disease can be treated.
Come with infectious diseases Antifungal agents or antibiotics for use. Viral infections usually heal by themselves under observation.
Allergic reactions will subside on their own after a short time. For prophylaxis it is important to have the Refrain from contact with the triggering allergen in the future. In the long run you can Desensitizations reduce the allergic reaction.
Treating chronic diseases like that Neurodermatitis is tedious. A causal healing is often not possible. Symptomatic treatment is carried out using special ointments. In many cases, the diseases subside as they reach adulthood.
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