Redness on the face for no reason is most likely caused by allergies. When treating allergies, anti-allergic treatment can be the first choice. Take chlorpheniramine for treatment. If the symptoms are relieved, eating more vegetables and fruits can be a good auxiliary for recovery, or apply ointment locally. If the symptoms cannot be relieved, you must seek medical attention in time, because facial allergies must be taken seriously. The skin on the face is very delicate, so be careful not to worsen the condition. Atopic dermatitis is a skin disease caused by allergies. Allergic dermatitis is a very serious skin disease. When it occurs, it is painful and itchy, making your body very uncomfortable. If you want to prevent allergic dermatitis, you'd better find out the cause of allergic dermatitis. Allergic dermatitis is a skin disease caused by allergens. It mainly refers to skin symptoms such as redness, itching, wheals, and peeling caused by the human body's contact with certain allergens. Specific allergens can be divided into four categories: contact allergens, inhaled allergens, ingested allergens and injected allergens. Each type of allergen can cause a corresponding allergic reaction, the main manifestations are: 1. Primary irritation: mainly caused by strong acids, strong alkalis, lice and some highly irritating or highly concentrated chemicals. This type of disease has no individual selectivity and no incubation period. It can immediately cause acute skin inflammation in anyone who comes into contact with it. 2. Hypersensitivity reaction (allergic reaction): This type is mainly a delayed hypersensitivity reaction (type VI hypersensitivity reaction). It is caused by contact with certain irritants (allergens) acting on the skin and mucous membranes. Only a few people with specific allergic constitutions will develop the disease. The disease does not occur immediately after the first contact, but often takes a latent period of 4-20 days (7-8 days on average) for the body to become sensitized. If the body is exposed to the substance again, dermatitis may occur in about 12 hours (generally not more than 72 hours). This type of allergic reaction is common in contact dermatitis. Precautions for patients with allergic dermatitis and eczema 1. Avoid scratching. Scratching can cause the skin to be constantly exposed to mechanical stimulation, causing it to thicken and even cause infection. Scratching also has a reinforcing effect. The more the patient scratches, the more itchy it becomes, and the more itchy it becomes, the more he scratches, forming a vicious cycle and prolonging the course of the disease. 2. Avoid washing with hot water. In the acute stage of dermatitis and eczema, due to the expansion of capillaries in the skin, there will be varying degrees of skin redness, swelling, papules, and blisters. Washing or soaking with hot water will increase the redness and swelling, increase the amount of exudate, and worsen the condition. Therefore, patients with dermatitis and eczema should take a warm shower and avoid soaking in hot water or rubbing hard. 3. Avoid washing with soap, especially alkaline soap, which is a chemical irritant to the skin and can aggravate dermatitis and eczema. If you need to use soap to remove stains, it is best to choose boric acid soap which is less irritating. 4. Avoid irritating foods such as peppers, alcohol, strong tea, coffee, etc., which can easily aggravate eczema or cause it to relapse, and should be avoided. 5. Avoid blind medication as dermatitis and eczema will have a long course and are prone to recurrence. 6. Maintain good personal hygiene and take a bath regularly. The water temperature should not be too high, 30 to 40 degrees Celsius is appropriate. |
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