What Is Allergic Dermatitis?

Allergic dermatitis is a skin disease caused by allergens. It mainly refers to skin conditions such as redness, swelling, itching, wind masses, peeling, etc. caused by human contact with certain allergens. Specific allergens can be divided into four categories: contact allergens, inhalation allergens, ingestion allergens and injection allergens. Each type of allergen can cause a corresponding allergic reaction, the main manifestations are a variety of dermatitis, eczema, urticaria.

Allergic dermatitis symptoms

Allergic dermatitis is caused by

Allergic dermatitis is a chronic, itchy, inflammatory skin disease that is genetically related.

The onset of allergic dermatitis has a lot to do with diet, environment, and lifestyle. It is easy to relapse and lasts a long time. The most common causes of allergic dermatitis are food, animal fur, mites, insects, large amounts of pollen scattered in the air, dust, air pollution, pesticides, fertilizers, detergents, rubber and plastic shoes, raw materials for chemical fiber, and little-known fungi Allergies, etc. Patients with allergic dermatitis are usually caused by allergies to certain substances. After leaving the allergen, the symptoms gradually disappear.

Allergic dermatitis is a causative factor that damages the skin through allergic reactions of the human immune system. There is a sensitization process: from the action of stimulating factors (ie, allergens) to the human body to the appearance of symptoms on the skin, for a period of time, most of them do not develop the first time, and only after the second time. Familial inheritance: Most of the families have a history of genetic allergies such as urticaria, asthma or allergic rhinitis. Both parents have a history of genetic allergies, and their children are more likely to develop them. Recurrent attacks: Most relapse after contact with the allergen, but sometimes the allergen is not obvious.

1. Treatment goals:

Control skin inflammation as soon as possible.

2. General principles of prevention:

Find the cause and eliminate and avoid as much as possible

1) Reduce the aggravating factors and stimulating factors such as mechanical factors (grabbing, friction); physical and chemical factors (hot water washing, high temperature, low humidity, irritating drugs);

1. For allergic skin, choose a mild type for cosmetics, with more foam, and it is best not to use it for exfoliation. Do not wash the skin with more alkaline soap, it will increase the inflammation;

2. Wash your face with warm water, do not wash it with hot water or cold water, so as not to cause skin irritation;

3. When going out in summer, avoid direct sunlight, it is best to cover it with parasols;

4, in the diet, pay attention to nutritional balance, you can eat more freshwater fish and fresh vegetables and fruits to enhance skin resistance. Avoid eating allergic foods such as saltwater fish, shrimp, and crab.