Recurring Skin Redness and Swelling: Possible Causes and Concerns - Oncology

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Recurring skin redness and swelling can be concerning, especially when it occurs in multiple areas of the body, such as the neck, abdomen, hands, and feet. Your description suggests that the symptoms appear, cause discomfort, and then resolve on their own over time. This pattern raises several possibilities, and while I cannot provide a definitive diagnosis without a physical examination, I can discuss some potential causes and considerations.

One possibility is allergic reactions. Allergies can manifest as localized swelling and redness, often accompanied by itching or pain. Common allergens include certain foods, medications, insect bites, or contact with irritants. If you have recently changed any products (like soaps, lotions, or detergents) or introduced new foods into your diet, these could be potential triggers.

Another consideration is urticaria, commonly known as hives. This condition can cause raised, itchy welts on the skin that can appear and disappear rapidly. Hives can be triggered by various factors, including stress, temperature changes, or certain foods. They often resolve on their own, but persistent cases may require treatment with antihistamines.

Infections are another potential cause of skin redness and swelling. While you mentioned the possibility of cellulitis (or "蜂窩性組織炎"), it typically presents with more severe symptoms, including fever, significant pain, and a clear demarcation of the affected area. Cellulitis usually requires medical treatment, including antibiotics, and does not typically resolve without intervention. If you experience recurrent episodes of swelling and redness without clear injury or infection, it may not be cellulitis.

Autoimmune conditions could also be a factor. Conditions like lupus or dermatomyositis can cause skin changes, including redness and swelling, and may affect multiple areas of the body. These conditions often come with other systemic symptoms, so it’s essential to consider your overall health and any additional symptoms you may have.

Vascular issues, such as vasculitis, can also lead to skin changes. This condition involves inflammation of the blood vessels and can cause redness, swelling, and pain in the affected areas. Like autoimmune conditions, vasculitis often presents with other systemic symptoms.

Given the recurring nature of your symptoms, it is crucial to consult with a healthcare professional for a thorough evaluation. They may recommend tests, such as blood work or skin biopsies, to determine the underlying cause of your symptoms. Keeping a diary of your symptoms, including when they occur, any potential triggers, and associated factors (like stress or diet), can be helpful for your healthcare provider in making a diagnosis.

In the meantime, here are some general recommendations to manage your symptoms:
1. Avoid known irritants or allergens: If you suspect certain products or foods may be causing your symptoms, try to eliminate them from your routine.

2. Use gentle skincare products: Opt for fragrance-free and hypoallergenic products to minimize irritation.

3. Keep the skin moisturized: Dry skin can exacerbate irritation, so using a good moisturizer may help.

4. Monitor your symptoms: Keep track of when the redness and swelling occur, their duration, and any associated activities or exposures.

5. Seek medical attention: If your symptoms worsen, become more frequent, or are accompanied by other concerning signs (like fever or significant pain), it is essential to seek medical attention promptly.

In conclusion, while there are several potential causes for your recurring skin redness and swelling, a thorough evaluation by a healthcare professional is necessary to determine the underlying issue and appropriate treatment.