Eczema is a relatively common skin disease. Suffering from eczema not only affects our personal image, but the severe itching is also unbearable. Moreover, eczema is prone to recurrence, thus causing great trouble to our daily life. If not treated in time, color scars or pigmentation will form. In severe cases, it will also cause mental irritability, so we must pay attention to it to avoid worsening of the disease. The causes of eczema are complex and are often the result of the interaction of internal and external factors. Internal factors such as chronic digestive system diseases, mental stress, insomnia, excessive fatigue, mood changes, endocrine disorders, infections, metabolic disorders, etc., and external factors such as living environment, climate change, food, etc. can all affect the occurrence of eczema. External stimuli such as sunlight, cold, dryness, heat, hot water washing, various animal furs, plants, cosmetics, soaps, artificial fibers, etc. can all induce it. It is a delayed allergic reaction caused by complex internal and external factors. 1. According to the manifestation of skin lesions, it is divided into three stages: acute, subacute and chronic. (1) Acute eczema lesions initially appear as numerous densely packed millet-sized papules, papulovesicles or small blisters with a flushed base that gradually merge into patches. Due to scratching, the tops of the papules, papulovesicles or blisters may be scratched to reveal obvious punctate exudation and small erosive surfaces with unclear edges. If secondary infection occurs, the inflammation will be more obvious and may form pustules, pus scabs, folliculitis, furuncles, etc. Conscious severe itching. It often occurs on the head, face, behind the ears, distal limbs, scrotum, and perianal area, and is often distributed symmetrically. (2) Subacute eczema After the inflammation of acute eczema is alleviated, the skin lesions are mainly small papules, scabs and scales, with only a small amount of papulovesicles and erosions. Still have severe itching. (3) Chronic eczema often turns into chronic eczema due to repeated attacks of acute or subacute eczema. It may also start as chronic eczema. The symptoms include thickening and infiltration of the skin in the affected area, brown-red or pigmentation, rough surface, scaling, or scabs due to scratching. Conscious itching. It is commonly found in the calves, hands, feet, elbows, popliteal fossa, vulva, and anus. The course of the disease is uncertain, prone to relapse, and difficult to heal. 2. According to the scope of skin lesions, it is divided into two categories: localized eczema and generalized eczema. (1) Localized eczema occurs only in specific parts of the body and can be named according to the part of the body, such as hand eczema, vulvar eczema, scrotal eczema, ear eczema, breast eczema, perianal eczema, and calf eczema. (2) Generalized eczema has multiple lesions that spread or scatter to multiple parts of the body. Such as nummular eczema, autosensitive eczema, and xerotic eczema. Many patients do not pay attention to the disease in the early stage and do not go to the hospital in time, thus missing the best treatment period and causing great harm to themselves. At the same time, we remind everyone to focus on prevention in daily life, keep the skin clean, pay attention to regular diet, eat more fresh fruits and vegetables, and avoid contact with things that are prone to cause allergies. |
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