Causes and symptoms of allergic dermatitis and eczema

Allergic dermatitis and eczema are common skin diseases. The incidence rate is usually highest in summer and autumn. It is more common in children and can occur in adults. The cause is complex and is often caused by the interaction of certain external or internal factors. It tends to recur and become chronic. So what is its cause? What are the symptoms?

Causes of allergic dermatitis and eczema

1. External factors. Such as chemicals, cosmetics, spices, dyes, detergents, animal toxins, eggs, fish, shrimp, milk and other foreign proteins, pollen, dust, bacterial infection, sun exposure, cold, scratching, etc.

2. Personal factors: Allergic constitution, metabolic, endocrine or digestive tract disorders, neuropsychiatric disorders, excessive fatigue, mental stress, lesion infection, intestinal parasitic disease, varicose veins, hyperhidrosis, dry skin, etc.

The dangers of allergic dermatitis and eczema

1. Allergic dermatitis eczema occurs, and patients develop small papules of varying sizes, which may bleed, form scabs, and flake off after being scratched. This symptom usually starts on the back of the body and then gradually spreads throughout the body. It often causes unbearable itching, which intensifies at night, making it difficult to sleep all night, seriously affecting the quality of sleep, and thus affecting work, study, and life;

2. If allergic dermatitis and eczema occur on exposed parts such as the face, it affects the appearance, and the patient often feels inferior, which leads to depression and seriously affects the patient's physical and mental health;

3. Since patients with allergic dermatitis and eczema often feel itchy and often scratch with their hands, if they scratch for a long time, it may cause the dermatitis to worsen and lead to secondary and infection of other diseases.

Symptoms of allergic dermatitis and eczema

The most obvious symptom of allergic dermatitis and eczema is itchy skin. It is unbearable even if the patient distracts himself. Even when the patient is in a calm mood, the itching will worsen, forming a state of secondary aggravation and persistent itching, causing patients with allergic dermatitis and eczema to suffer from itching.

Another manifestation is the appearance of allergic dermatitis eczema symptoms such as rash. This type of eczema is polymorphic and is generally divided into secondary eruptions and primary eruptions in clinical practice. Secondary eruptions include erosions and exudates, while primary eruptions include papules and blisters.

The patient's condition is sometimes mild and sometimes severe, often with repeated acute or subacute attacks, especially when the patient is nervous. It is often caused by improper treatment of acute and subchronic eczema, long-term non-healing or repeated attacks. It is often confined to a certain part, such as the hands, calves, elbows, scrotum, vulva, etc., with obvious boundaries. Generally, the symptoms of allergic dermatitis eczema show symmetry.

Allergic dermatitis and eczema spread from one part to another, and the symptoms of allergic dermatitis and eczema are not easy to eliminate. If dermatitis and eczema are not treated properly in the acute stage, they will turn into chronic dermatitis and eczema, which will cause serious harm to the patient's body.