What causes chronic dermatitis?

Chronic dermatitis is a disease that is very common after the age of 50. Men are more likely to suffer from it than women. Pigmentation spots will appear on the face, neck, limbs and other parts of the body, and there will be scales on the surface, and the aging of the skin can be clearly felt. Chronic dermatitis is very harmful and has complex causes. We need to understand these factors so that we can better prevent or treat it. So, what causes chronic dermatitis? Let’s take a look at the reasons below.

What causes chronic dermatitis?

Local irritation can cause chronic dermatitis. The local skin is damaged by some chemicals or radioactive substances, causing skin lesions. These local irritations are often the key factors in inducing chronic dermatitis. Therefore, we should pay attention to skin care and avoid trauma. If digestive system abnormalities affect the absorption of nutrients, it will be difficult to convert nutrients in food and provide them to the skin. The skin will be more likely to develop chronic dermatitis if it loses nutritional support.

Excessive mood swings, excessive tension and anxiety, and a bad mentality can affect the function of the endocrine system, and indirectly cause skin damage. Therefore, many cases of chronic dermatitis are aggravated by one's own psychological factors. In order to carry out scientific treatment, it is also necessary to strengthen psychological care. Therefore, taking good care of your skin in your life and developing healthy and hygienic living habits can better prevent chronic dermatitis.

Symptoms of chronic dermatitis

Chronic dermatitis is characterized by rough, thickened, leathery skin, and lichenification, which may be accompanied by pigmentation or hypopigmentation. Histopathologically, the epidermis is thickened, the spinous layer is thickened, and there is lymphocytic infiltration of the dermal papillae. Hand and foot eczema may be accompanied by nail changes. The rash is generally distributed symmetrically and often recurs. The subjective symptoms are itching, even severe itching. Acute dermatitis presents as erythema and edema, which may be accompanied by papules, papular rashes, blisters, or erosion and exudation. The center of the lesion is often heavier and gradually spreads to the surrounding area. The pathological manifestations are edema between epidermal cells, sponge formation, and blisters in the epidermis. The symptoms of subacute dermatitis are blisters, redness, swelling and reduced exudation, with the appearance of crusting and desquamation.

The dangers of chronic dermatitis

It seriously affects skin health, causing unbearable itching. The itching worsens at night, making it difficult to sleep all night, seriously affecting sleep quality, and thus affecting work, study and life. Scratching may cause bleeding, scab formation and desquamation. Since chronic dermatitis often causes itching, prolonged scratching may aggravate skin inflammation and lead to secondary infections. When itching occurs, do not scratch it with your hands, but pat it gently.

Chronic dermatitis affects the mental state and reduces resistance, thus aggravating the condition and creating a vicious cycle. At the same time, chronic dermatitis can also cause psychological symptoms such as depression. Chronic dermatitis can cause other complications. If seborrheic dermatitis is not treated for a long time, it will cause hair loss. The bacteria in the area of ​​scalp dermatitis multiply in large numbers, which can easily lead to damage of scalp hair follicles, causing hair loss, breakage and other hair symptoms.