erythema respectively. red skin or reddish patches of skin are to be considered apart from rashes, although they have similar appearance patterns. Skin redness is generally color changes of the skin, which can have both natural causes, such as excitement or exertion. However, skin redness also occurs in the context of diseases, such as Lyme disease or hemorrhoids. The reddening of the skin on the head, face and hands is most likely to occur as these parts of the body are usually covered by clothing.
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What are skin redness?
Skin reddening is basically all changes to the common skin, which are associated with redness.
It may be a small, red spot, but also larger appearances, which include, for example, wheals.
In addition to the redness of the skin may cause further discomfort: Often itching or pain of various kinds, in some cases, the reddened skin feels hot.
Occasionally, reddening of the skin is also the sole symptom of an underlying disease.
The reddening of the skin usually occurs as an infectious reaction to the infiltration of pathogens. Part of the change in the skin marks the point at which the infection took place – some of the affected area of the skin has nothing to do with the inflammatory focus.
For example, the Wundrose belongs to the diseases that make the affected area of the body blush. These are invading bacteria that are under the skin and cause it to change. In hives, on the other hand, red wheals are formed, which are not directly related to the causative disease.
Already with minor injuries of the skin it can come around the wound already to redness, which are however not bacterial caused: They are an immune reaction of the body, there he raises as a precaution the body temperature in order to prevent bacteria, viruses or fungi from entering in the first place , Physical causes may be scratches or insect bites. In the case of a scratch, the redness of the skin is due to a short-term irritation of the skin, which quickly disappears. The insect bite is a chemical reaction.
Skin redness can of course have causes that do not involve any disease as a result. Most of these transient redness are signs of increased blood flow. The cause here is arousal, exertion or temperature influences.
It can also lead to very rapid onset skin redness, which are related to sweating, hormonal changes or internal restlessness. Furthermore, redness of the skin may also be cosmetic. For example through massages, scrubs and masks. All these forms are considered harmless and not pathological.
Reddening of the skin, which is rather pathological, occurs, for example. in allergic reactions and other intolerances. These include skin redness caused by sunburn and poisons (mushroom poisoning) or medication-induced skin redness. Furthermore come as a cause damaged blood vessels, eczema and irritated skin (environmental factors) into consideration.
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Diseases with this symptom
Skin redness is still taken seriously in babies and small children. Most adults, on the other hand, treat it as a nonspecific symptom that can occasionally arise – without going to the bottom of the cause. In most cases, they are certainly right, the skin reddened in adults occasionally for quite innocuous reasons and calms down then by itself again.
Skin rashes that last longer, return, or even cause pain, indicate a more serious cause. If they are not taken seriously, there is a risk that a cause in need of treatment will not be recognized at all. It could be a mild allergy or a skin condition that can be counteracted – if it were detected.
Likewise, skin redness may be the beginning of an infection that is not recognized as such in time and treated accordingly. This carries the risk that it can spread unhindered on the skin. The earlier an infection of the skin is treated, the easier and less complicated is the healing process. Even skin redness with a known cause such as an insect bite are often dismissed as a normal reaction of the skin.
Nevertheless, they suggest that the cause of the body is a bigger problem than expected. So, if skin rashes last a long time, cause pain, spread, swell, or make the surrounding skin feel warm, a doctor’s visit should be planned for too much rather than too little.
When should you go to the doctor?
Skin redness can be attributed to a wide variety of causes. In most cases, skin redness is unpleasant, but harmless and do not require medical treatment. Harmless skin redness usually form on its own.
On the other hand, reddening of the skin occurs over a longer period of time, shows sharp boundaries and becomes hot, they have to be clarified by a doctor. In addition, if additional symptoms such as fever, swelling, pronounced itching and fatigue, should be consulted in any case, a doctor. This is especially true for children and skin redness that occurs as part of a childhood disease such as chickenpox, rubella, measles, scarlet fever or rubella. In scarlet fever and rubella, the skin is reddened over a large area, in measles and chickenpox this single reddish pustules.
Even affected adults should consult a physician in case of a suspected infection with a teething disorder, as teething troubles in adults are often more severe and protracted. Similarly, skin lesions in the genital area (groins, penis, vagina) should be clarified by a doctor to exclude infectious skin diseases (eg skin fungus). Even skin redness that occurs after a tick bite should be examined by a doctor to treat a possible infection with Borrelia early.
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