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Dermatitis: Symptoms, Causes and Treatment

Dermatitis is a general term that generally covers a range of inflammatory diseases affecting the skin, although the exact appearance and underlying cause may vary widely. In most cases, there is a clearly visible rash that can be increased, red, and in some cases, may have mucus spores.

Dermatitis itself is not contagious because it is often due to the immune system and sensitivity to a particular trigger, but a similar potential allergy can occur in families. Fortunately, dermatitis is often mild and can be corrected with readily available medication.

Depending on where the rash develops and the cause of the rash, the manifestations may be different. However, classifying dermatitis into one of three types helps to explain its symptoms. These guys:

Contact Dermatitis

The rash associated with contact dermatitis can cause itching, burning or severe stinging, as this type of dermatitis results from contact with the trigger substance. This type of rash is usually limited to the area of the body that has been in contact with the trigger, although in rare cases an extensive rash may occur, especially if the trigger has been able to pierce the skin and enter the bloodstream.

Contact dermatitis can be classified as allergic or irritant, depending on the source of exposure. Chemicals often fall into the category of irritants, while insect stings and accidental contact with plants can be classified as allergic.

Atopic Dermatitis

Better known as eczema, this type of dermatitis is closely linked to immune dysfunction and usually occurs in combination with conditions such as asthma or chronic allergies. Atopic dermatitis can occur for the first time in childhood. It is characterized by a rash that occurs on parts of the body with skin folds, such as. B. on the elbows, knees or neck.

Atopic dermatitis can develop at any time and then only manifests itself in repeated flare-ups.

Seborroid Dermatitis

This type of dermatitis is associated with the appearance of a rash on parts of the body where large quantities of sebaceous glands are produced. Sebum is a natural oily substance produced by the sebaceous glands in the body, with areas such as the face, scalp, upper back and chest having a high density of these glands.

Seborroid dermatitis manifests as a crispy rash, can appear as dandruff on the scalp, or can make the skin extremely dry and white. Measures to control sebum production can reduce the frequency of seborrheic dermatitis epidemics, although they are known to disappear on their own.

The causes of dermatitis vary according to the classification of skin rash. The most common reasons include the following,

Atopic Dermatitis

Dysfunction of the immune system is one of the main causes of the disease, along with environmental factors, poor skin health and sometimes complications due to bacterial or fungal pathogens.

Ironically, the hygiene hypothesis states that atopic dermatitis and related diseases (such as allergies, asthma) are more likely to develop when extreme cleanliness is practiced during a child’s formative years.

Avoiding a number of natural bacteria that support the development of the immune system is considered to manifest defects that contribute to allergenic hypersensitivity in later life.

Contact Dermatitis

Common causes of contact dermatitis outbreaks include accidental contact with poison ivy, certain metals, perfumes, cosmetics, and even dyes used in some skin care products. Often the presence of certain proteins or amino acids is to blame, although it is almost impossible to avoid all sources of an allergen.

Seborroid Dermatitis

The climate plays an important role in the development of seborrhagic dermatitis, for example B. during the summer months, leading to excessive sweating and increased sebum production on the skin. This is why seborrheic dermatitis is more common in tropical countries and during the summer months, but it can also be due to fungal infections that cause an increase in the production of sebum on the skin.

Treatment of dermatitis varies according to the symptoms experienced, including the usual patterns:

Atopic Dermatitis

  • Over-the-counter antihistamines – by inhibiting the excessive release of histamine, the mast cells of the immune system are not recruited to the same extent. Mast cells are powerful inflammatory mediators often involved in provoking asthma attacks and the development of eczematous eruptions.
  • Calamine lotion gives a fresh feeling that relieves itching on contact. However, this is only a short-term remedy because the itching usually recurs.
  • Prescription medications may contain topical corticosteroids, oral corticosteroids or inhalers to suppress allergies or asthma triggers. People who inhale corticosteroids for prolonged periods may experience a decrease in the incidence of atopic rash and a decrease in the incidence of seasonal allergic reactions.

Contact Dermatitis

  • Anti-itching creams usually contain an antihistamine or anti-inflammatory corticosteroid to relieve itching limited to one area.
  • In rare cases, contact dermatitis develops into a systemic disease requiring immediate medical attention. This can be B. as a result of insect bites or stings, especially if the person has an innate sensitivity to poison. Medicines may contain corticosteroids or even drugs to modulate blood pressure in case of shock.

Seborroid Dermatitis

  • Antifungal agents are used when the patient/doctor suspects that pathogenic fungi cause the skin rash. Creams, lotions or even shampoos can be used to treat seborroid dermatitis.
  • Anti-itching creams, including antihistamines or topical corticosteroids, inhibit the rate of sebum secretion from the skin and reduce the appearance of seborroid plaques.
  • Benzoyl peroxide salicylic acid products are mainly marketed for acne, but they are also effective in seborrhagic dermatitis, mainly because acne is naturally associated with overproduction of sebum.
  • Low temperature air conditioning reduces the production of sebum through the skin and can reduce the risk of skin rashes.

Although it is difficult to completely prevent the seborrheic and atopic variants of dermatitis, you can certainly minimise the risk of developing contact dermatitis. Make sure you cover your skin well, use gloves if necessary and avoid further contact before working with substances that may be allergenic/pyringe drugs. If you notice slight reactions the first time you encounter something, you can protect yourself from further outbreaks.

Sources :

https://www.mayoclinic.org/diseases-conditions/dermatitis-eczema/symptoms-causes/syc-20352380
https://www.healthline.com/health/contact-dermatitis#prevention

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