What causes recurring facial allergies with redness, swelling, and itching, and what should be done about it?
Sep 29, 2024
Source: Cainiu Health
Dr. Liu Wenmin
Introduction
During seasonal changes, the concentration of allergens such as pollen and dust mites in the air increases, combined with fluctuations in temperature and humidity. The human immune system may have abnormal reactions to these substances, leading to the onset of allergic symptoms. Pay attention to indoor ventilation and maintain good air circulation to reduce the accumulation of allergens. Wear a mask when going outdoors to minimize exposure to allergens.
In general, recurrent facial allergies characterized by redness, swelling, and itching may be caused by psychological stress, seasonal changes, solar dermatitis, contact dermatitis, urticaria, etc. If abnormal symptoms occur, it is recommended to seek timely medical attention at a hospital to identify the underlying cause and receive targeted treatment. Specific analyses are as follows:
1. Psychological Stress
Psychological factors such as anxiety, lack of sleep, and excessive stress can disrupt the body's immune system, increasing skin sensitivity to allergens and thereby triggering or exacerbating allergic reactions. It is important to maintain adequate sleep and avoid staying up late; learn to relax and alleviate stress and anxiety.
2. Seasonal Changes
During seasonal transitions, concentrations of airborne allergens such as pollen and dust mites increase, and fluctuations in temperature and humidity may trigger abnormal immune responses, leading to allergic symptoms. Ensure indoor ventilation and air circulation to reduce allergen accumulation. Wear a mask when going outdoors to minimize exposure to allergens.
3. Solar Dermatitis
Solar dermatitis is an inflammatory reaction caused by prolonged exposure of the skin to sunlight, with ultraviolet (UV) radiation being the primary causative factor. Exposed areas of the skin may develop erythema, edema, and blisters, accompanied by pain and a burning sensation. Avoid prolonged sun exposure and use protective measures such as sunscreen. In severe cases, topical treatments such as boric acid ointment, zinc oxide ointment, or compound menthol camphor ointment may be used under medical guidance.
4. Contact Dermatitis
Contact dermatitis is a skin inflammatory reaction triggered by exposure to certain substances, commonly occurring after using cosmetics, skincare products, or coming into contact with metal jewelry. Affected skin may show erythema, papules, and vesicles. Immediately discontinue contact with known allergens or irritants. Under medical supervision, medications such as loratadine tablets, cetirizine tablets, hydrocortisone cream, or betamethasone valerate cream may be used to reduce inflammation.
5. Urticaria
The pathogenesis of urticaria involves abnormal immune responses that release inflammatory mediators such as histamine, causing vasodilation and resulting in skin itching, redness, swelling, and wheals. Doctors typically recommend medications such as montelukast sodium tablets, compound glycyrrhizin tablets, or diphenhydramine hydrochloride tablets for treatment, along with avoiding known allergens.
It is advisable to pay attention to bodily responses in daily life. If an allergic reaction is suspected, immediately stop using or consuming any potentially allergenic substances. Additionally, maintain clean and dry skin to reduce the risk of developing skin conditions.
