Eczema
Family Medicine
Eczema is an inflammation of the skin. Itchy, red and swollen skin on the dry surface of the skin is a recurring skin condition, and most people with eczema have atopic dermatitis. Eczema is not related to the age of the sufferer, and can occur from childhood to old age. According to the Department of Health's "Child Health Strategy - Eczema", eczema affects one in five children on average. Eczema usually improves with age, but can become difficult to manage if not treated properly.
What is eczema?
Eczema is an inflammation of the skin. It is not an infectious disease, but it can cause the following symptoms:
Symptoms | Location |
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Causes and risk factors
Eczema is an inflammatory reaction of the skin. Eczema is most likely to run in the family, and is more likely to occur when the patient is exposed to irritants (e.g. environmental or dietary allergens, stress, etc.). Studies have shown that having a parent with asthma increases the risk of eczema in the child.
Common causes of eczema:
Stress | Causes immune system disorders |
Weather |
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Environment |
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Dietary habits |
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Diagnosis
The doctor will make a diagnosis based on the surface of the affected area. To further determine the condition, the doctor will ask questions about the patient's family history, eating habits, living environment, etc., with the aim of identifying the root cause of the problem.
Depending on the situation, blood tests or skin tissue tests may be performed to rule out other skin problems. In some cases, a rapid skin prick test may also be performed to look for allergens or triggers.
Treatment
There is still no complete cure for eczema. Patients need to take medication to alleviate the problem in the long term and improve their lifestyle and other high-risk factors to minimise the possibility of recurrence of eczema.
Commonly used medications:
- Anti-allergy medication (to help with scarring)
- Topical steroid creams
- Oral steroids (for more severe cases of eczema)
- Immune system suppressants (depending on the severity of the condition)
In the course of taking medication, patients should not only follow the doctor's instructions, but also pay attention to the changes in the affected area, and consult the healthcare personnel if the eczema worsens. Patients should not buy proprietary medicines from drugstores or use medicines that have been used by other eczema patients, as each patient has a different body constitution and different medicinal properties. Patients should ask their doctors to judge their conditions and prescribe the most suitable medicines for them.
Impact
Eczema makes the skin itchy, red and swollen, leading to the following problems:
- Difficulty in sleeping due to itchy skin, resulting in poor quality of sleep.
- Affects the patient's appearance and self-confidence.
- Eczema can cause anxiety and prolonged negative moods.
- Itchy skin can lead to distraction from work or school.
Prevention
When eczema flares up, patients may scratch the affected area due to itchiness, resulting in pain, peeling of the skin surface and worsening of eczema.
To prevent eczema flare-ups, patients should:
Skin care |
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Improve lifestyle habits to reduce the incidence of acute episodes. |
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Frequently Asked Questions
References
- Common Children's Skin Diseases - Eczema– Consumer Council from https://www.consumer.org.hk/tc/article/351-2810
- Causes and triggers of eczema from http://www.hkasthma.org.hk/hk/about-allergies/病理及誘因-2
- Eczema- Department of Health Student Health Service from https://www.studenthealth.gov.hk/tc_chi/health/health_ophp/health_ophp_tet.html
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