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Effets transpiration sur eczéma.

Sweating and eczema: a volatile combination.

Eczema is a fairly common skin disease. It is a skin inflammation that can occur on any area of the face or body. Numerous external factors are likely to exacerbate eczema. Perspiration is often considered one of them. But how does it affect eczema?

Summary
Published February 8, 2024, by Pauline, Head of Scientific Communication — 3 min read

What is the connection between eczema and perspiration?

Sweating , or perspiration, is a natural physiological phenomenon . It is characterised by the secretion of sweat by the sweat glands. Sweating is activated in response to the body's need to lower its temperature, in the face of intense heat, high physical activity or a stressful situation. For this, the autonomic nervous system is mobilised and sends signals triggering the release of sweat. Sweat glands are distributed all over the body, with a higher density in the palms of the hands, soles of the feet and armpits.

Sweating can be a source of irritation on the skin, particularly in areas affected by eczema. Indeed, it can cause burning or tingling sensations. This is largely due to the natural acidity of sweat, which has a pH level between 4 and 6. Additionally, it contains sodium chloride, or salt, which has a drying effect on the skin. Skin dryness is, in itself, an exacerbating factor for eczema, as dry skin, lacking or almost lacking in the hydrolipidic film, is naturally less protected against external aggressions and allergens.

Finally, sweat promotes the colonisation of the skin by staphylococci, microorganisms that thrive particularly in warm and humid environments. Indeed, staphylococci can exacerbate inflammation caused by eczema, thereby worsening the condition. In the event of a staphylococcal infection, it is necessary to consult a healthcare professional. They can provide advice to prevent the spread of the infection and may prescribe antibiotics if needed.

How to limit the effects of perspiration to prevent exacerbating eczema?

It is impossible to completely halt perspiration. However, it is possible to limit the effects of sweating. To do this, it is recommended to avoid stressful situations as much as possible, which are not only sources of worry but also of perspiration. We also recommend you to favour loose and wide cotton clothing, especially during high temperatures. Synthetic fibres and tight clothing, on the other hand, are conducive to sweating.

Another significant source of perspiration isphysical activity. However, this does not mean that sport is discouraged for people with eczema. It is simply a matter of adhering to certain practices to ensure that physical activity does not exacerbate eczema. The first instinct after a workout should be to immediately take a quick shower, ensuring not to select a water temperature that is too high, as this risks stripping away the hydrolipidic film. After gently patting yourself dry with a soft towel, apply an emollient balm to your body. This will help to restore your skin's hydration and provide some protection against allergens.

Sources

  • GOLDENBERG G. & al. Eczema. The Mount Sinai Journal of Medicine (2011).

  • BORRADORI L. & al. Dermatologie et infections sexuellement transmissibles. Elsevier Masson (2017).

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