Skin Allergy

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Written by Liu Gang
Dermatology
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Should you use cold or hot compresses for skin allergies?

Skin allergies are a series of symptoms that appear on the skin surface after the body comes into contact with allergens, such as erythema, wheals, and papules, generally accompanied by intense itching. Once these symptoms occur, one must avoid applying heat, not wash with hot water, and can instead apply cold water or ice packs, which helps in treating this condition. Additionally, it is important to regularly avoid spicy and irritating foods, avoid staying up late, and strengthen exercise to enhance immunity. Skin allergies can easily become chronic. Once they occur, it is advisable to visit the dermatology department of a regular hospital, where doctors can prescribe oral anti-allergy medications for treatment. In principle, with treatment, it can be completely cured.

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Written by Li Xiao Lin
Emergency Department
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What to do with formaldehyde skin allergy?

Formaldehyde allergy is primarily a skin allergy caused by exposure to formaldehyde. Therefore, when a formaldehyde allergy occurs, the first step is to leave the formaldehyde environment to minimize skin contact with formaldehyde. Symptoms of an allergy include itchy skin, redness, and rashes. Oral antihistamines such as cetirizine or loratadine can be taken for treatment. Additionally, depending on the severity of the allergy, it might be necessary to visit a hospital for further treatment with intravenous antiallergic medications, such as calcium gluconate, high doses of Vitamin C, and dexamethasone, to control the symptoms and prevent the condition from worsening. It is also advisable to drink plenty of water and consume a diet rich in fresh vegetables and fruits.

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Written by Zhang Jian Bo
Dermatology
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Why is skin allergy prone in spring?

If it is spring, patients prone to skin allergies should consider that it might be related to the inhalation of spring pollen, dust, and dust mites. It is also possible to consider that the revival of all things in spring and the increase in insects can lead to allergic reactions. For patients who are prone to allergies in spring, it is advisable to visit a hospital to complete an allergen test to identify the cause of the allergies and avoid or eliminate them. If possible, desensitization treatments can also be considered. For those who have already developed allergies accompanied by itching, oral antihistamines such as ebastine tablets and loratadine tablets can be taken for anti-allergy and anti-itch treatment. Topical external treatments like Liugan stone wash can also be used for anti-inflammatory and anti-itch treatment.

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Written by Zhu Zhu
Dermatology
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How to care for skin during an allergic reaction

When experiencing skin allergies, it is crucial to identify the allergen. Once the allergen is identified, avoid contact with it. During a skin allergy episode, if the allergy is related to cosmetics, you must immediately cease using all cosmetics and simply wash your skin with lukewarm water. If the allergy is due to pollen, try to limit going outdoors and reduce exposure to pollen. Maintain a light and balanced diet, and consume plenty of fresh vegetables and fruits.

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Written by Li Xiao Lin
Emergency Department
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How to treat skin allergies caused by formaldehyde poisoning?

Formaldehyde poisoning has shown allergic reactions, considered to be contact-related formaldehyde poisoning. First and foremost, one should remove themselves from the formaldehyde environment and go to a place with fresh, circulating air. At the same time, it is essential to ventilate the room by opening windows to reduce the concentration of formaldehyde. Oral antihistamines, such as levocetirizine or loratadine, should be taken to alleviate symptoms. If there are numerous rashes, topical application of calamine lotion can help with itching, inflammation, and provide an astringent effect to relieve symptoms. It is also advisable to drink plenty of water and consume fresh vegetables and fruits to replenish vitamins. Avoid spicy, irritating foods, and foods that trigger allergies, like seafood. Prevention is key in managing formaldehyde poisoning. Workers dealing with formaldehyde should wear proper masks and protective clothing to minimize poisoning symptoms. If it is a new house, ensure thorough ventilation before moving in, to avoid poisoning and allergic reactions. (Note: Use medications under the guidance of a physician.)

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Written by Zhu Zhu
Dermatology
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Can people with skin allergies take a bath?

Patients with skin allergies can bathe in most cases; however, there is one circumstance under which they should not bathe: if there are ulcers or breaks in the skin. Bathing under these conditions can lead to secondary infections at the sites of ulcers and breaks. Additionally, one should not scratch the areas affected by skin allergies. It is also crucial to avoid washing the affected areas with overly hot water, as this is prohibited. Be sure to rest and eat a light diet regularly.

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Written by Li Xiao Lin
Emergency Department
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What should I do if I have an allergic reaction to a wasp sting?

After being stung by a wasp and experiencing allergic reactions, the first step is to treat the sting site. You can wash the wound with soap and water or an alkaline solution to reduce the absorption of toxins. Additionally, thoroughly disinfect with iodine. Also, inspect the sting site for any remaining stinger; if present, remove it to decrease further toxin absorption and alleviate symptoms. For skin allergies, oral antihistamines such as levocetirizine or loratadine can be taken to ease symptoms. If the allergic skin reaction is severe and covers a large area, and oral medications are ineffective, intravenous administration of antihistamines such as dexamethasone, calcium gluconate, and high doses of vitamin C can be considered for treatment to relieve symptoms. It is also important to watch your diet and avoid spicy, irritating foods and seafood. (Please follow medical advice regarding medication use.)

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Written by Liu Gang
Dermatology
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What is seasonal skin allergy?

Seasonal skin allergies are allergic reactions of the skin triggered by allergens that occur during specific seasons. For example, in spring, pollen allergies might lead to dermatitis, eczema, or urticaria; in summer, the intense ultraviolet rays can cause solar dermatitis, and in the cold weather of autumn and winter, cold urticaria or allergic dermatitis might occur. These conditions only appear during specific seasons and generally ease off or disappear after the season ends without the need for treatment. These are characteristics of seasonal skin allergies. In such cases, it is advisable to regularly exercise to boost the immune system to fight against allergens, avoid spicy and irritating foods, and refrain from staying up late.

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Written by Huang Ling Juan
Dermatology
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Can people with skin allergies eat grapes?

People with skin allergies can generally eat grapes. If there is no allergic reaction to the components of grapes, eating them during an allergy period will not worsen the condition. Skin allergies are often closely related to diet. Consuming foods that commonly cause allergies, such as milk, eggs, seafood, fish, shrimp, and crab, can trigger allergic reactions in the body. People who are prone to allergies may also react to airborne dust, pollen, and animal fur. When experiencing skin allergies, it is important to use antihistamine medication under a doctor’s guidance and identify the cause to avoid contact and prevent recurrence. It's also advisable to avoid spicy and irritating foods when suffering from skin allergies.

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Written by Liu Jing
Dermatology
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What should I do if I have skin allergies and itching?

Symptoms of skin allergy redness and itching require active investigation of allergenic factors and treatment measures including anti-allergy, anti-inflammatory, and anti-itching treatments. Avoid spicy, stimulating foods and seafood, and take orally Ebastine tablets, Moisturizing Anti-itch Capsules, and Prednisone Acetate tablets, among other medications. Apply Desonide Cream to the affected area when necessary. If symptoms repeatedly occur, it is necessary to further test for skin allergens, including food, inhalants, contact substances, additives, pollen, etc. Pay attention to wearing cotton underwear, avoid scalding with hot water, and excessive use of alkaline substances for washing.