Overview

Atopic dermatitis, commonly known as eczema, is a chronic skin condition characterized by dry, itchy, and inflamed skin. It often begins in childhood but can occur at any age, with symptoms sometimes persisting into adulthood. The condition is not life-threatening and does not affect mortality, but it can significantly impact quality of life due to discomfort and potential skin infections. Common treatments include moisturizing creams, topical corticosteroids, and avoiding triggers such as certain fabrics or soaps. While there is no cure, many people manage symptoms effectively with proper skincare and medical guidance.

Short Overview

Symptoms

Symptoms of atopic dermatitis include intense itching, which is often the first sign and can be severe enough to disturb sleep. The skin may develop red or brownish-gray patches, typically found on areas like the hands, feet, ankles, wrists, neck, and in the bends of elbows and knees, with infants often showing patches on the face and scalp. Small, raised bumps that may leak fluid and crust over when scratched are common, and these can become infected if not properly managed. Prolonged scratching can lead to thickened, cracked, or scaly skin, particularly in chronic cases. Additionally, affected areas may become sensitive and swollen, leading to further irritation and discomfort.

Outlook and prognosis

The outlook for individuals with atopic dermatitis varies, with many experiencing improvement or resolution of symptoms as they age, although some may continue to have flare-ups throughout life. Effective management through skincare routines, medications, and lifestyle adjustments can significantly reduce symptoms and improve quality of life. While the condition can be persistent, ongoing research and new treatments offer hope for better long-term outcomes.

Causes and Risk Factors

Atopic dermatitis is caused by a mix of genetic and environmental factors. A family history of allergies or asthma can increase the risk, indicating a genetic link, while environmental elements like pollen, pet dander, and certain foods can worsen symptoms. Stress, weather changes, particularly dry or cold conditions, and an impaired skin barrier due to genetic factors also play significant roles in triggering flare-ups.

Genetic influences

Genetics play a significant role in the development of atopic dermatitis, with variations in certain genes affecting the skin's barrier function and immune response. These genetic differences can make individuals more susceptible to environmental triggers that cause flare-ups. Family history is a strong indicator, as the condition often runs in families, suggesting a hereditary component. Research continues to identify specific genetic factors that contribute to the condition, which may lead to more targeted treatments in the future.

Diagnosis

Diagnosis of atopic dermatitis involves a thorough examination of the skin for specific signs like redness and rashes, along with an assessment of the patient's medical history to identify any related allergies or conditions. Allergy tests, such as skin prick or blood tests, may be conducted to pinpoint allergens that could be triggering symptoms, while patch testing can help identify contact allergens. In uncertain cases, a skin biopsy might be performed to ensure an accurate diagnosis by examining a small skin sample under a microscope.

Treatment and Drugs

Atopic dermatitis is often managed with topical treatments like corticosteroids, calcineurin inhibitors, and PDE4 inhibitors to reduce skin inflammation and itchiness. Antihistamines may be used to relieve itching, particularly at night, while systemic corticosteroids, biologics, and immunosuppressants are considered for severe cases to control the immune response. These treatments aim to improve quality of life by managing flare-ups and maintaining skin health.

Symptoms

Atopic dermatitis is characterized by a variety of symptoms that can vary in intensity and appearance. These symptoms often appear in cycles, with periods of flare-ups followed by times of remission. The condition can affect different parts of the body and may present differently in infants, children, and adults. Understanding these symptoms can help in managing the condition effectively.

  • Itching: Intense itching is often the first sign of atopic dermatitis. It can be severe and persistent, leading to discomfort and sleep disturbances.

  • Red or brownish-gray patches: These patches can appear on the skin, commonly on the hands, feet, ankles, wrists, neck, upper chest, eyelids, and in the bend of the elbows and knees. In infants, the face and scalp are often affected.

  • Small, raised bumps: These bumps may leak fluid and crust over when scratched. They can become infected if not properly cared for.

  • Thickened, cracked, or scaly skin: Prolonged scratching can lead to thickened skin, which may appear dry and scaly. This symptom is often seen in chronic cases.

  • Sensitive, swollen skin: Affected areas may become sensitive and swollen from scratching. This can lead to further irritation and discomfort.

How people usually first notice

Initial signs of atopic dermatitis often include patches of dry, itchy skin that may appear red and inflamed. These patches are commonly found on the cheeks, arms, and legs, particularly in children, and can become more widespread over time. Scratching the affected areas can lead to further irritation and potential skin damage.

Types of Atopic dermatitis

Atopic dermatitis presents in various forms, each with distinct symptoms. These variations can affect individuals differently, depending on factors such as age and environmental triggers. Understanding the specific symptoms of each type can aid in better management and treatment. The following are the primary types of atopic dermatitis and their characteristic symptoms.

Infantile Atopic Dermatitis

Typically appears in infants aged 2 months to 2 years. Symptoms include red, itchy patches on the cheeks, scalp, and trunk. It may also cause oozing and crusting of the skin.

Childhood Atopic Dermatitis

Occurs in children aged 2 to 12 years. Common symptoms are dry, scaly patches on the elbows, knees, and wrists. It often leads to thickened skin due to constant scratching.

Adolescent and Adult Atopic Dermatitis

Affects individuals aged 12 years and older. Symptoms include dry, itchy skin with red to brownish-gray patches. It can also cause skin thickening and lichenification, especially in areas like the hands, feet, and neck.

Nummular Dermatitis

Characterized by coin-shaped spots on the skin. These spots are often itchy and may become crusty or scaly. It commonly appears on the arms, back, buttocks, and lower legs.

Dyshidrotic Dermatitis

Involves small, itchy blisters on the edges of the fingers, toes, palms, and soles. These blisters can be painful and may lead to cracked skin. It is often triggered by stress or exposure to certain metals.

Seborrheic Dermatitis

Causes red, scaly patches and dandruff, primarily on the scalp. It can also affect oily areas of the body, such as the face and upper chest. Symptoms may worsen with stress or cold weather.

Did you know?

Certain genetic variations, such as those in the FLG gene, can lead to a weakened skin barrier, resulting in symptoms like dry, itchy skin. Variations in immune-related genes may cause increased inflammation, contributing to redness and swelling.

doctor_quote

Dr. Wallerstorfer

Causes and Risk Factors

Atopic dermatitis is influenced by a combination of genetic and environmental factors. A family history of allergies or asthma increases the likelihood of developing the condition, suggesting a genetic predisposition. Environmental triggers such as pollen, pet dander, and certain foods can exacerbate symptoms. Stress and changes in weather, particularly dry or cold conditions, may also contribute to flare-ups. Additionally, an impaired skin barrier, which can be due to genetic factors, makes the skin more susceptible to irritants and allergens.

Environmental and Biological Risk Factors

Atopic dermatitis is influenced by various environmental and biological factors that can exacerbate its symptoms. Environmental factors include exposure to allergens, pollutants, and climate conditions, while biological factors involve the skin's barrier function and immune responses. Understanding these factors can help in managing and preventing flare-ups.

  • Allergens: Common allergens such as dust mites, pollen, and pet dander can trigger or worsen atopic dermatitis symptoms. These allergens can cause the immune system to overreact, leading to inflammation and itching. Reducing exposure to these allergens can help manage symptoms.

  • Pollutants: Air pollution, including tobacco smoke and industrial emissions, can aggravate atopic dermatitis. Pollutants can irritate the skin and weaken its barrier function, making it more susceptible to inflammation. Minimizing exposure to polluted environments can be beneficial.

  • Climate Conditions: Extreme weather conditions, such as very dry or humid climates, can affect atopic dermatitis. Dry air can lead to skin dehydration, while high humidity can increase sweating, both of which can worsen symptoms. Maintaining a stable indoor climate can help alleviate these effects.

  • Skin Barrier Function: The skin's ability to retain moisture and protect against irritants is crucial in atopic dermatitis. A compromised skin barrier can lead to increased water loss and vulnerability to irritants. Using moisturizers can support the skin barrier and reduce symptoms.

  • Immune Responses: An overactive immune response can contribute to the inflammation seen in atopic dermatitis. This heightened immune activity can be triggered by various environmental factors. Managing immune responses through medical treatment can help control symptoms.

Genetic Risk Factors

Atopic dermatitis has a strong genetic component, with several genes identified as contributing to the risk of developing the condition. These genes are involved in skin barrier function and the immune system. Genetic variations can lead to a compromised skin barrier and an overactive immune response, both of which are key factors in the development of atopic dermatitis.

  • FLG gene mutations: Mutations in the FLG gene, which encodes the protein filaggrin, are one of the most significant genetic risk factors for atopic dermatitis. Filaggrin is crucial for maintaining the skin's barrier function. A compromised skin barrier can lead to increased skin dryness and susceptibility to irritants and allergens.

  • IL4 and IL13 gene variants: Variants in the IL4 and IL13 genes, which are involved in the immune response, have been associated with atopic dermatitis. These genes play a role in the production of cytokines, which are signaling molecules that can promote inflammation. Alterations in these genes can lead to an overactive immune response, contributing to skin inflammation.

  • SPINK5 gene mutations: Mutations in the SPINK5 gene, which encodes a protein involved in skin barrier protection, have been linked to atopic dermatitis. This gene is important for the regulation of protease activity in the skin. Disruption in this regulation can lead to skin barrier defects and increased inflammation.

  • CARD11 gene variants: Variants in the CARD11 gene, which is involved in immune cell signaling, have been associated with atopic dermatitis. This gene plays a role in the activation of immune cells that can lead to inflammation. Changes in CARD11 can result in an exaggerated immune response, contributing to the condition.

  • OVOL1 gene variants: Variants in the OVOL1 gene, which is involved in skin cell differentiation, have been linked to atopic dermatitis. This gene helps regulate the development of skin cells. Alterations in OVOL1 can affect skin cell turnover and barrier function, increasing the risk of dermatitis.

doctor_quote

Dr. Wallerstorfer

Lifestyle Risk Factors

Lifestyle choices can significantly influence the risk of developing or exacerbating Atopic dermatitis. Certain dietary habits, physical activity levels, and stress management practices are known to impact the condition. Understanding these factors can help in managing symptoms and reducing flare-ups.

  • Diet: Certain foods can trigger or worsen symptoms in some individuals. Common dietary triggers include dairy products, eggs, nuts, and soy. Maintaining a balanced diet and identifying personal food triggers can help manage the condition.

  • Exercise: Regular physical activity can improve overall health and reduce stress, which may help in managing Atopic dermatitis. However, excessive sweating during exercise can sometimes irritate the skin. Choosing appropriate clothing and showering after workouts can mitigate this risk.

  • Stress Management: Stress is a known trigger for flare-ups in Atopic dermatitis. Practicing stress-reducing techniques such as meditation, yoga, or deep-breathing exercises can be beneficial. Managing stress effectively can help in reducing the frequency and severity of symptoms.

Risk Prevention

Preventing or reducing the risk of Atopic dermatitis involves a combination of lifestyle adjustments and environmental considerations. Maintaining skin hydration and avoiding irritants are key strategies. Additionally, managing stress and maintaining a healthy diet can contribute to skin health.

  • Moisturize Regularly: Applying a good moisturizer daily helps maintain skin hydration and acts as a barrier against irritants.

  • Avoid Irritants: Identify and avoid substances that trigger skin reactions, such as certain soaps, detergents, and fabrics.

  • Wear Soft Fabrics: Opt for clothing made from soft, breathable materials like cotton to reduce skin irritation.

  • Manage Stress: Engage in stress-reducing activities such as yoga, meditation, or regular exercise to help prevent flare-ups.

  • Maintain a Healthy Diet: Consume a balanced diet rich in vitamins and minerals to support overall skin health.

  • Use Gentle Skin Care Products: Choose products that are free from fragrances and harsh chemicals to minimize skin irritation.

  • Keep Skin Cool: Avoid overheating and sweating by staying in cool environments and wearing appropriate clothing.

  • Stay Hydrated: Drink plenty of water to keep the skin hydrated from the inside out.

How effective is prevention

Preventing or reducing the risk of Atopic dermatitis involves a combination of lifestyle adjustments and environmental considerations. Maintaining skin hydration and avoiding irritants are key strategies. Additionally, managing stress and maintaining a healthy diet can contribute to skin health.

Transmission

Atopic dermatitis is not contagious and cannot be transferred from one person to another through physical contact or any other means. It is a chronic skin condition that is influenced by genetic and environmental factors. The condition often runs in families, suggesting a hereditary component, but it is not spread through germs or viruses. Environmental triggers such as allergens, irritants, and stress can exacerbate symptoms in individuals who are predisposed to the condition. Proper management and treatment can help control flare-ups and improve quality of life for those affected.

When to test your genes

Genetic testing is recommended when there is a family history of certain diseases, when symptoms suggest a genetic condition, or when planning for personalized medical care. It can help in early detection of potential health issues and guide tailored treatment plans. Consulting with a healthcare professional is advised before undergoing genetic testing.

doctor_quote

Dr. Wallerstorfer

Diagnosis

Diagnosing atopic dermatitis involves a combination of clinical evaluation and consideration of the patient's medical history. Physicians typically look for specific symptoms and patterns that are characteristic of the condition. In some cases, additional tests may be conducted to rule out other skin disorders or to identify potential allergens. The diagnosis process is generally straightforward but requires careful assessment by a healthcare professional.

  • Clinical Evaluation: Doctors examine the skin for signs such as redness, swelling, and the presence of rashes. They assess the distribution and appearance of the affected areas to determine if they align with typical patterns of atopic dermatitis. This evaluation is crucial in distinguishing it from other skin conditions.

  • Medical History: A detailed medical history is taken to identify any personal or family history of allergies, asthma, or eczema. This information helps in understanding the likelihood of atopic dermatitis and its potential triggers. It also aids in ruling out other conditions that may present with similar symptoms.

  • Allergy Testing: In some cases, allergy tests may be performed to identify specific allergens that could be triggering the symptoms. These tests can include skin prick tests or blood tests to measure the body's reaction to certain substances. Identifying allergens can be helpful in managing and reducing flare-ups.

  • Patch Testing: Patch testing may be used to identify contact allergens that might be causing or exacerbating the dermatitis. Small amounts of potential allergens are applied to the skin under patches, and the skin's reaction is observed over a few days. This test helps in identifying substances that should be avoided to prevent worsening of the condition.

  • Skin Biopsy: A skin biopsy might be conducted if the diagnosis is uncertain or if there is a need to rule out other skin diseases. A small sample of skin is taken and examined under a microscope. This procedure provides detailed information about the skin's condition and can confirm the diagnosis.

Stages of Atopic dermatitis

Atopic dermatitis progresses through various stages, each characterized by distinct symptoms and age-related patterns. The condition can manifest differently in infants, children, and adults, with each stage presenting unique challenges. Understanding these stages can aid in managing symptoms effectively and improving quality of life.

Infantile Stage

This stage typically occurs from birth to two years of age. Symptoms often include red, itchy patches on the cheeks, scalp, and trunk. The skin may become dry and scaly, leading to discomfort.

Childhood Stage

This stage usually affects children aged two to twelve years. The rash often appears in the creases of the elbows and knees, as well as on the wrists, ankles, and neck. Skin may thicken and develop a leathery texture due to chronic scratching.

Adolescent and Adult Stage

This stage can begin during the teenage years and continue into adulthood. The rash may appear on the face, neck, and hands, and can be widespread. Skin may become very dry, and itching can be severe, impacting daily activities.

Did you know about genetic testing?

Genetic testing can identify specific gene variations that increase the risk of developing atopic dermatitis, allowing for early interventions and personalized treatment plans. By understanding an individual's genetic predisposition, healthcare providers can recommend lifestyle changes and preventive measures to reduce flare-ups. Additionally, targeted therapies can be developed to address the underlying genetic factors, improving treatment outcomes.

doctor_quote

Dr. Wallerstorfer

Outlook and Prognosis

The outlook for individuals with atopic dermatitis varies, but many experience improvement as they age. In some cases, symptoms may diminish significantly or even disappear by adulthood. However, for others, the condition can persist into later life, requiring ongoing management. The severity of symptoms can fluctuate, with periods of flare-ups followed by times of remission. Effective management often involves a combination of skincare routines, lifestyle adjustments, and, when necessary, medication to control symptoms and prevent complications.

While atopic dermatitis can significantly impact quality of life due to discomfort and potential social or psychological effects, it is not typically associated with increased mortality. The condition itself is not life-threatening, but it can lead to secondary infections if the skin becomes broken or irritated. These infections, if left untreated, can pose health risks, but they are generally manageable with appropriate medical care.

Research continues to explore new treatments and interventions, offering hope for improved management strategies. Advances in understanding the genetic and environmental factors contributing to atopic dermatitis are also paving the way for more personalized approaches to care. Overall, with proper management and medical support, individuals with atopic dermatitis can lead healthy and fulfilling lives.

Long Term Effects

Atopic dermatitis can lead to several long-term effects that impact both the skin and overall quality of life. These effects can vary in severity and may persist even when the condition is not actively flaring. Understanding these potential outcomes is important for managing the condition effectively.

  • Chronic Itching and Skin Thickening: Persistent itching can lead to continuous scratching, which may cause the skin to thicken over time. This thickening, known as lichenification, can make the skin appear leathery and more prone to irritation.

  • Increased Risk of Skin Infections: The compromised skin barrier in individuals with atopic dermatitis makes them more susceptible to bacterial, viral, and fungal infections. These infections can exacerbate symptoms and lead to further complications if not treated promptly.

  • Sleep Disturbances: Chronic itching and discomfort can significantly disrupt sleep patterns, leading to insomnia or poor-quality sleep. This can affect daily functioning and overall well-being.

  • Psychological Impact: Living with a chronic skin condition can lead to emotional distress, including anxiety and depression. The visible nature of the condition may also affect self-esteem and social interactions.

  • Increased Risk of Allergies and Asthma: Individuals with atopic dermatitis are more likely to develop other allergic conditions, such as hay fever or asthma. This is due to the interconnected nature of allergic diseases, often referred to as the 'atopic march.'

How is it to live with Atopic dermatitis

Living with atopic dermatitis can involve persistent itching and discomfort, which may lead to sleep disturbances and affect concentration during daily activities. The condition often requires ongoing management through skincare routines and medication, impacting time and lifestyle choices. It can also influence social interactions, as visible symptoms might cause self-consciousness or concern from others. Family members and close contacts may need to offer support and understanding, as the condition can be emotionally and physically taxing.

Treatment and Drugs

Atopic dermatitis treatment involves using various medications to manage symptoms and improve skin health. Topical corticosteroids are commonly applied to reduce redness and swelling, while topical calcineurin inhibitors and PDE4 inhibitors help decrease inflammation and itching. Antihistamines are often used to relieve itching, particularly at night. In more severe cases, systemic corticosteroids, biologics, or immunosuppressants may be prescribed to control the immune response and manage flare-ups. The goal of these treatments is to alleviate symptoms and maintain healthy skin.

Non-Drug Treatment

Non-pharmacological treatments for atopic dermatitis focus on managing symptoms and preventing flare-ups through lifestyle and environmental changes. These approaches aim to maintain skin hydration, reduce irritation, and support the skin's natural barrier function. They are often used in conjunction with medical treatments to enhance overall effectiveness and improve quality of life.

  • Moisturizing: Regular application of moisturizers helps maintain skin hydration and repair the skin barrier. It is recommended to use fragrance-free and hypoallergenic products to minimize irritation. Moisturizers should be applied immediately after bathing to lock in moisture.

  • Wet Wrap Therapy: This involves applying a damp layer of clothing or bandages over a layer of moisturizer on the skin. It helps to soothe the skin, reduce itching, and enhance the absorption of topical treatments. Wet wrap therapy is often used during severe flare-ups.

  • Bathing Practices: Taking short, lukewarm baths can help hydrate the skin without causing irritation. Adding colloidal oatmeal or baking soda to the bath can provide additional soothing effects. It is important to gently pat the skin dry and apply moisturizer immediately after bathing.

  • Avoiding Triggers: Identifying and avoiding environmental triggers such as certain fabrics, soaps, and allergens can help prevent flare-ups. Keeping a diary of symptoms and exposures can aid in recognizing patterns. Reducing stress through relaxation techniques may also be beneficial.

  • Dietary Modifications: Some individuals may benefit from dietary changes, such as eliminating foods that trigger symptoms. Consulting with a healthcare provider or nutritionist can help identify potential food sensitivities. Maintaining a balanced diet supports overall skin health.

  • Phototherapy: Exposure to controlled amounts of natural or artificial light can reduce inflammation and itching. Phototherapy is usually administered under medical supervision to ensure safety and effectiveness. It is considered when other treatments have not provided sufficient relief.

Did you know that drugs are influenced by genes?

Genetic variations can affect how individuals respond to medications for atopic dermatitis, influencing both effectiveness and potential side effects. Personalized treatment approaches may be developed by understanding these genetic differences, improving outcomes for patients.

doctor_quote

Dr. Wallerstorfer

Pharmacological Treatments

Atopic dermatitis is often managed with a combination of topical and systemic medications to reduce inflammation and alleviate symptoms. Topical treatments are usually the first line of defense, focusing on reducing skin inflammation and itchiness. For more severe cases, systemic treatments may be necessary to control the immune response. These medications aim to improve the quality of life for individuals by managing flare-ups and maintaining skin health.

  • Topical Corticosteroids: These are anti-inflammatory creams or ointments applied directly to the skin to reduce redness and swelling.

  • Topical Calcineurin Inhibitors: These creams help to suppress the immune response in the skin, reducing inflammation and itching.

  • Topical PDE4 Inhibitors: These are used to decrease inflammation by blocking a specific enzyme in the skin.

  • Antihistamines: These oral medications can help relieve itching, especially at night.

  • Systemic Corticosteroids: These are oral or injectable steroids used for short-term control of severe flare-ups.

  • Biologics: These are injectable medications that target specific parts of the immune system to reduce inflammation.

  • Immunosuppressants: These oral medications suppress the overall immune response and are used in severe cases.

Genetic Influences

Genetics play a significant role in the development of atopic dermatitis, with several genes contributing to its onset. One of the key genetic factors involves mutations in the gene responsible for producing filaggrin, a protein essential for maintaining the skin's protective barrier. When this barrier is compromised, the skin becomes more susceptible to irritants and allergens, leading to inflammation. Additionally, variations in genes that regulate the immune system can lead to an exaggerated response to environmental triggers, further exacerbating the condition. Family history is also a strong indicator, as individuals with parents or siblings affected by atopic dermatitis are more likely to develop it themselves. Understanding these genetic influences helps in identifying individuals at risk and developing targeted treatments.

Gene variations

Genetic variations play a significant role in influencing the risk and severity of Atopic dermatitis. These variations can affect the skin barrier function, immune response, and inflammatory pathways. Understanding these genetic factors can help in identifying individuals at higher risk and developing targeted treatments.

  • FLG gene mutations: Mutations in the FLG gene, which encodes the protein filaggrin, are strongly associated with Atopic dermatitis. Filaggrin is crucial for maintaining the skin's barrier function, and its deficiency can lead to increased skin permeability and susceptibility to irritants and allergens.

  • IL4 and IL13 gene variants: Variants in the IL4 and IL13 genes are linked to an increased risk of Atopic dermatitis. These genes are involved in the immune response, and their variations can lead to an overactive immune system, contributing to inflammation and skin symptoms.

  • SPINK5 gene mutations: Mutations in the SPINK5 gene, which encodes a protein involved in skin barrier protection, have been associated with Atopic dermatitis. These mutations can impair the skin's ability to protect against environmental factors, leading to increased inflammation and irritation.

  • CARD11 gene variants: Variants in the CARD11 gene have been implicated in the development of Atopic dermatitis. This gene plays a role in the immune system's signaling pathways, and its variations can disrupt normal immune responses, leading to chronic inflammation.

  • OVOL1 gene variants: Variants in the OVOL1 gene have been associated with Atopic dermatitis. This gene is involved in skin cell differentiation, and its variations can affect the skin's structure and function, contributing to disease severity.

  • TSLP gene variants: Variants in the TSLP gene are linked to Atopic dermatitis. TSLP is a cytokine that plays a role in initiating immune responses, and its increased expression can lead to heightened inflammation and allergic reactions.

Variant Table Legend

Clinical Testing

Scientific Studies

Biological Male Symbol

Biological Female Symbol

Unisex Symbol for both Genders

Variants that influence Atopic dermatitis based on Scientific Studies

Scientific studies classifications aim to uncover how genetic variants function and their roles in diseases, traits, and evolution. Variants are categorized based on their functional impact, such as loss-of-function (reduces gene activity), gain-of-function (increases gene activity), neutral (no significant impact), or evolutionary conservation. This classification uses experimental data, population studies, and computational analyses to understand variant effects. Unlike clinical testing, which focuses on immediate health impacts, scientific studies explore broader genetic mechanisms and long-term implications.

Variants that Affect Both Biological Males and Females

Genotype

A

A

Level of evidence

Increased likelihood

Unisex

1 Sources

Participants: 5617

The genotype with the letters A/A is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

C

C

Level of evidence

No Effect

Unisex

0 Sources

Participants: 0

No available data

Genotype

T

T

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 15389

The genotype with the letters T/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

A

T

Level of evidence

Increased likelihood

Unisex

3 Sources

Participants: 21006

The genotype with the letters A/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

C

T

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 15389

The genotype with the letters C/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

A

A

Level of evidence

Increased likelihood

Unisex

1 Sources

Participants: 5617

The genotype with the letters A/A is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

C

C

Level of evidence

No Effect

Unisex

0 Sources

Participants: 0

No available data

Genotype

T

T

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 15389

The genotype with the letters T/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

A

T

Level of evidence

Increased likelihood

Unisex

3 Sources

Participants: 21006

The genotype with the letters A/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

C

T

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 15389

The genotype with the letters C/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

C

C

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 143034

The genotype with the letters C/C is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

A

C

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 143034

The genotype with the letters A/C is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

C

T

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 143034

The genotype with the letters C/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

C

C

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 143034

The genotype with the letters C/C is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

A

C

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 143034

The genotype with the letters A/C is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

C

T

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 143034

The genotype with the letters C/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

G

G

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 126306

The genotype with the letters G/G is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

G

T

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 126306

The genotype with the letters G/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

A

G

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 126306

The genotype with the letters A/G is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

G

G

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 126306

The genotype with the letters G/G is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

G

T

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 126306

The genotype with the letters G/T is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Genotype

A

G

Level of evidence

Increased likelihood

Unisex

2 Sources

Participants: 126306

The genotype with the letters A/G is considered a risk factor for developing the disease. Carriers of this genetic result are at increased risk of developing the disease.

Variants that influence Atopic dermatitis

All variants that were shown to influence the risk of developing Atopic dermatitis are listed here.

Genes that influence Atopic dermatitis

All Genes, that contain variants, which were shown to influence the risk of developing Atopic dermatitis are listed here

Pharmacogenetics - how genetics influence drugs

Genetics play a significant role in the treatment of atopic dermatitis by influencing how individuals respond to various medications. Certain genetic variations can affect the skin's barrier function and immune response, which are critical factors in the development and severity of the condition. These genetic differences can determine how well a person responds to specific treatments, such as topical steroids or newer biologic drugs that target specific immune pathways. For instance, individuals with particular genetic markers may benefit more from targeted therapies that address the underlying immune dysfunction. Understanding these genetic influences allows for more personalized treatment plans, potentially improving outcomes and reducing side effects. As research continues, genetic insights are expected to lead to even more tailored and effective treatment options for those affected by atopic dermatitis.

Drugs influenced by genetics

doctor_quote

Dr. Wallerstorfer

Interactions with other diseases

Atopic dermatitis is often associated with a group of conditions known as the "atopic march," which includes asthma and allergic rhinitis. Individuals with atopic dermatitis may have a higher likelihood of developing these conditions over time. Additionally, there is a notable connection between atopic dermatitis and food allergies, particularly in children. The skin condition can also be linked to an increased risk of skin infections due to the compromised skin barrier. Furthermore, there is evidence suggesting a relationship between atopic dermatitis and mental health issues, such as anxiety and depression, possibly due to the chronic nature of the disease and its impact on quality of life.

Special Life Conditions

During pregnancy, hormonal changes can lead to fluctuations in the severity of atopic dermatitis, with some women experiencing improvement while others may see a worsening of symptoms. In older adults, the skin tends to become drier and thinner, which can exacerbate the condition and make it more challenging to manage. Children often experience atopic dermatitis as itchy rashes that can disrupt sleep and daily activities, requiring careful management to prevent infection and maintain comfort. Active athletes may find that sweat and friction from clothing or equipment can trigger flare-ups, necessitating adjustments in their skincare routines and choice of materials. Each of these life conditions presents unique challenges in managing atopic dermatitis, requiring tailored approaches to treatment and care.

History

Atopic dermatitis has a long and storied history, with its roots tracing back to ancient times. Historical records suggest that skin conditions resembling atopic dermatitis were noted by ancient civilizations, including the Egyptians and Greeks. However, it wasn't until the 19th century that more systematic observations and descriptions began to emerge. In the early 1800s, physicians started to differentiate between various skin ailments, and by the late 19th century, the term "eczema" was being used to describe a range of inflammatory skin conditions, including what we now recognize as atopic dermatitis.

The 20th century saw significant advancements in understanding and managing atopic dermatitis. During this time, researchers began to explore the genetic and environmental factors contributing to the condition. The mid-1900s marked a period of increased prevalence, particularly in industrialized nations, which some experts attribute to changes in lifestyle and environmental exposures. This rise in cases prompted further scientific inquiry into the underlying causes and potential treatments.

The impact of atopic dermatitis on individuals and society has been profound. It affects people of all ages, often beginning in childhood, and can lead to significant discomfort and a reduced quality of life. The condition's visibility and chronic nature can also lead to social and psychological challenges for those affected.

Efforts to treat atopic dermatitis have evolved over the years. Early remedies included the use of natural oils and herbal concoctions, but these offered limited relief. The development of topical corticosteroids in the mid-20th century revolutionized treatment, providing a more effective means of reducing inflammation and alleviating symptoms. Subsequent decades saw the introduction of additional therapies, including moisturizers, antihistamines, and immunosuppressive drugs, each contributing to a more comprehensive approach to management.

Current research into atopic dermatitis is focused on unraveling the complex interplay of genetic, immune, and environmental factors that contribute to its development. Advances in genetic studies have identified specific genes associated with the condition, offering insights into its hereditary nature. Additionally, researchers are exploring the role of the skin's microbiome—the community of microorganisms living on the skin—in influencing disease severity and response to treatment.

Innovative therapies are also being developed, including biologic drugs that target specific components of the immune system involved in atopic dermatitis. These treatments hold promise for individuals with moderate to severe forms of the condition who do not respond well to traditional therapies. Furthermore, scientists are investigating the potential of personalized medicine approaches, which tailor treatment plans based on an individual's unique genetic and environmental profile.

As research continues to advance, there is hope for more effective and targeted treatments that can improve the lives of those affected by atopic dermatitis. The ongoing commitment to understanding this complex condition underscores the importance of scientific inquiry in addressing the challenges it presents.

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