The symptoms of dermatitis, allergic contact can vary depending on the severity of the reaction, but may include:

* Redness and swelling of the affected area
* Itching, burning, or stinging sensations
* Small blisters or hives
* Thickening or scaling of the skin
* Crusting or oozing of fluid

Dermatitis, allergic contact can be caused by a variety of substances, including:

* Metals, such as nickel, chrome, and mercury
* Plastics, such as latex and polyethylene
* Certain chemicals, such as perfumes, dyes, and preservatives
* Plant extracts, such as poison ivy or poison oak
* Insect bites or stings

The diagnosis of dermatitis, allergic contact is typically made through a combination of physical examination, medical history, and patch testing. Patch testing involves applying small amounts of potential allergens to the skin and observing for any signs of an allergic reaction over a period of time.

Treatment for dermatitis, allergic contact typically focuses on removing the allergen from the affected area and providing relief from symptoms. This may include:

* Avoiding exposure to the allergen
* Applying topical creams or ointments to reduce inflammation and itching
* Taking oral medications, such as antihistamines or corticosteroids, to reduce symptoms
* In severe cases, hospitalization may be necessary to manage the reaction.

Preventative measures for dermatitis, allergic contact include:

* Avoiding exposure to potential allergens
* Wearing protective clothing or gloves when handling suspected allergens
* Using hypoallergenic products and avoiding fragrances and dyes
* Performing patch testing before introducing new substances into the environment.

It is important to seek medical attention if symptoms persist or worsen over time, as dermatitis, allergic contact can lead to complications such as infection or scarring. Early diagnosis and treatment can help prevent these complications and improve outcomes for patients with this condition.

Types of occupational dermatitis include:

1. Contact dermatitis: This occurs when the skin comes into contact with an allergen or irritant substance, such as chemicals, metals, or plants.
2. Irritant contact dermatitis: This is caused by exposure to substances that can cause inflammation and damage to the skin, such as detergents, cleaning products, or chemicals.
3. Allergic contact dermatitis: This occurs when the skin comes into contact with an allergen, causing an immune response and inflammation. Common allergens include nickel, chromate, and fragrances.
4. Photoallergic contact dermatitis: This is caused by exposure to certain substances that react with sunlight to produce a skin reaction.
5. Urticaria and angioedema: These are hives and swelling that can occur as a result of exposure to certain substances or conditions, such as food, insect bites, or infections.

Symptoms of occupational dermatitis can vary depending on the type of condition and the severity of exposure. They may include:

* Redness and inflammation
* Itching and burning sensations
* Blisters or sores
* Dry, scaly skin
* Flaking or peeling skin
* Skin thickening or pigmentation

Diagnosis of occupational dermatitis typically involves a physical examination, medical history, and patch testing to identify specific allergens or irritants. Treatment may involve avoiding exposure to the allergen or irritant, topical creams or ointments, oral medications, or immunotherapy.

Prevention of occupational dermatitis includes implementing safety measures such as wearing protective clothing and equipment, using gloves and barrier creams, and following proper hygiene practices. Employers can also take steps to reduce exposure to potential allergens or irritants by modifying work processes, providing education and training, and establishing a healthy work environment.

In conclusion, occupational dermatitis is a common condition that affects millions of workers worldwide. It can cause significant discomfort, impaired quality of life, and lost productivity. By understanding the causes and symptoms of occupational dermatitis and taking steps to prevent and treat it, employers and employees can work together to create a safer and healthier work environment.

Also known as eczema or atopic eczema.

Dermatitis, Atopic is a common condition that affects people of all ages but is most prevalent in children. It is often associated with other atopic conditions such as asthma and allergies. The exact cause of dermatitis, atopic is not known, but it is thought to involve a combination of genetic and environmental factors.

Symptoms of Dermatitis, Atopic:

* Redness and dryness of the skin
* Scaling and flaking of the skin
* Itching and burning sensations
* Thickening and pigmentation of the skin
* Small blisters or weeping sores

Atopic dermatitis can occur anywhere on the body but is most commonly found on the face, neck, hands, and feet.

Treatment for Dermatitis, Atopic:

* Moisturizers to keep the skin hydrated and reduce dryness
* Topical corticosteroids to reduce inflammation
* Antihistamines to relieve itching
* Phototherapy with ultraviolet light
* Oral immunomodulators for severe cases

It is important to note that dermatitis, atopic is a chronic condition, and treatment should be ongoing. Flare-ups may occur, and adjustments to the treatment plan may be necessary.

Prevention of Dermatitis, Atopic:

* Avoiding triggers such as soaps, detergents, and stress
* Keeping the skin well-moisturized
* Avoiding extreme temperatures and humidity
* Wearing soft, breathable clothing
* Using mild cleansers and avoiding harsh chemicals

Early diagnosis and treatment of dermatitis, atopic can help improve the quality of life for those affected. It is important to work with a healthcare professional to develop an appropriate treatment plan and manage symptoms effectively.

Irritant dermatitis is characterized by redness, itching, and swelling of the affected area, and may be accompanied by blisters or oozing. Unlike allergic contact dermatitis, which is caused by an immune response to a specific allergen, irritant dermatitis is caused by direct damage to the skin cells.

Examples of substances that can cause irritant dermatitis include chemicals, cleaning products, detergents, fragrances, and certain metals. Prolonged exposure to these substances or repeated contact with them can lead to the development of chronic inflammation and scarring.

Treatment for irritant dermatitis typically involves avoiding the offending substance and using topical medications such as corticosteroids or antibiotics to reduce inflammation and promote healing. In severe cases, oral medications or injectable medications may be necessary. It is important to identify and remove the source of the irritant to prevent further damage and promote healing.

There are several types of food hypersensitivity, including:

1. Food Allergy: An immune system reaction to a specific food that can cause symptoms ranging from mild hives to life-threatening anaphylaxis. Common food allergies include reactions to peanuts, tree nuts, fish, shellfish, milk, eggs, wheat, and soy.
2. Non-Allergic Food Hypersensitivity: Also known as non-IgE-mediated food hypersensitivity, this type of reaction does not involve the immune system. Symptoms can include bloating, abdominal pain, diarrhea, and headaches. Common culprits include gluten, dairy, and high-FODMAP foods.
3. Food Intolerance: A condition where the body cannot properly digest or process a specific food. Symptoms can include bloating, abdominal pain, diarrhea, and gas. Common food intolerances include lactose intolerance, fructose malabsorption, and celiac disease.
4. Food Aversion: An emotional response to a specific food that can cause avoidance or dislike of the food. This is not an allergic or physiological reaction but rather a psychological one.

The diagnosis of food hypersensitivity typically involves a thorough medical history, physical examination, and diagnostic tests such as skin prick testing or blood tests. Treatment options for food hypersensitivity depend on the type and severity of the reaction and may include avoidance of the offending food, medication, or immunotherapy.

There are several different types of drug hypersensitivity reactions, including:

1. Maculopapular exanthema (MPE): This is a type of allergic reaction that causes a red, itchy rash to appear on the skin. It can be caused by a variety of medications, including antibiotics and nonsteroidal anti-inflammatory drugs (NSAIDs).
2. Exfoliative dermatitis: This is a more severe form of MPE that can cause widespread scaling and peeling of the skin. It is often associated with reactions to antibiotics and other medications.
3. Stevens-Johnson syndrome (SJS): This is a rare but potentially life-threatening condition that can be caused by certain medications, including antibiotics and NSAIDs. SJS can cause blisters to form on the skin and mucous membranes, as well as fever and fatigue.
4. Toxic epidermal necrolysis (TEN): This is a severe and potentially life-threatening condition that can be caused by certain medications, including antibiotics and NSAIDs. TEN can cause widespread peeling of the skin, as well as fever and fatigue.
5. Anaphylaxis: This is a severe allergic reaction that can be caused by a variety of medications, including antibiotics and NSAIDs. It can cause symptoms such as hives, itching, swelling, and difficulty breathing.

Drug hypersensitivity reactions can be diagnosed through a combination of physical examination, medical history, and laboratory tests. Treatment typically involves discontinuing the medication that is causing the reaction, as well as providing supportive care to manage symptoms such as fever, itching, and pain. In severe cases, hospitalization may be necessary to monitor and treat the reaction.

Prevention of drug hypersensitivity reactions can be challenging, but there are several strategies that can help reduce the risk. These include:

1. Gradual dose escalation: When starting a new medication, it is important to gradually increase the dose over time to allow the body to adjust.
2. Monitoring for signs of a reaction: Patients should be monitored closely for signs of a reaction, such as hives, itching, or difficulty breathing.
3. Avoiding certain medications: In some cases, it may be necessary to avoid certain medications that are known to cause hypersensitivity reactions.
4. Skin testing: Skin testing can be used to determine whether a patient is allergic to a particular medication before starting treatment.
5. Desensitization: In some cases, desensitization therapy may be used to gradually expose the patient to the medication that is causing the reaction, with the goal of reducing the risk of an adverse event.

Flushing can also be a side effect of certain medications, such as beta-blockers, aspirin, and some antidepressants. In addition, flushing can be a sign of an underlying condition that affects blood flow or blood vessels, such as Raynaud's disease or lupus.

Treatment for flushing will depend on the underlying cause. For example, if flushing is caused by an allergic reaction, medications such as antihistamines may be prescribed. If the flushing is caused by a medical condition, treatment will focus on managing that condition. In some cases, lifestyle changes such as avoiding triggers, wearing protective clothing, and using cool compresses can help reduce flushing.

It is important to seek medical attention if flushing is severe, persistent, or accompanied by other symptoms such as fever, chest pain, or difficulty breathing. Your healthcare provider can diagnose the underlying cause of flushing and recommend appropriate treatment.

Some common types of hand dermatoses include:

1. Contact dermatitis: This is a type of eczema that occurs when the skin comes into contact with an irritant or allergen. It can cause redness, itching, and dryness on the hands.
2. Psoriasis: This is a chronic condition that causes red, scaly patches on the skin. It can affect any part of the body, including the hands.
3. Eczema: This is a general term for a group of conditions that cause dry, itchy skin. It can affect the hands as well as other parts of the body.
4. Dermatitis herpetiformis: This is a condition that causes small blisters or bumps on the skin, often in conjunction with other symptoms such as fever and joint pain.
5. Urticaria: This is a condition that causes hives or itchy, raised welts on the skin. It can be caused by a variety of factors, including allergies, infections, and environmental exposures.
6. Angioedema: This is a condition that causes swelling of the deeper layers of skin, often in conjunction with hives or other symptoms.
7. Necrobiosis lipoidica diabeticorum: This is a condition that affects people with diabetes and causes raised, darkened areas on the skin, often on the hands and feet.
8. Hand eczema: This is a type of eczema that specifically affects the hands, causing dryness, itching, and redness on the palms and soles.

Treatment for hand dermatoses depends on the underlying cause and can include topical creams or ointments, medications, and lifestyle changes such as avoiding irritants and allergens, keeping the hands moisturized, and protecting them from extreme temperatures. In some cases, surgery may be necessary to remove affected skin or repair damaged tissue.

It is important to seek medical attention if you experience any persistent or severe symptoms on your hands, as early diagnosis and treatment can help prevent complications and improve outcomes.

The symptoms of scabies can include intense itching, especially at night, as well as a rash, skin irritation, and blisters. In severe cases, scabies can lead to infections and other complications.

Scabies is typically diagnosed through a physical examination of the skin and a review of medical history. A skin scraping may also be performed to collect mites or eggs for laboratory testing.

Treatment for scabies involves applying topical creams or lotions that contain permethrin or crotamiton to the entire body, from the neck down. These medications kill the mites and their eggs, but they do not provide immediate relief from itching.

It is important to treat all members of a household or close contacts at the same time as the infected person to prevent re-infestation. In addition, it is recommended to wash and dry clothing, bedding, and towels in hot water and dry them in a hot dryer to kill any mites or eggs that may have fallen off the body.

Preventive measures for scabies include avoiding close contact with people who have the infection, wearing protective clothing and gloves when caring for infected individuals, and regularly washing and drying items that come into contact with the skin.

Dermatitis, contact can be acute or chronic, depending on the severity and duration of the exposure. In acute cases, the symptoms may resolve within a few days after removing the offending substance. Chronic dermatitis, on the other hand, can persist for weeks or even months, and may require ongoing treatment to manage the symptoms.

The symptoms of contact dermatitis can vary depending on the individual and the severity of the exposure. Common symptoms include:

* Redness and inflammation of the skin
* Itching and burning sensations
* Swelling and blistering
* Cracks or fissures in the skin
* Difficulty healing or recurring infections

In severe cases, contact dermatitis can lead to complications such as:

* Infection with bacteria or fungi
* Scarring and disfigurement
* Emotional distress and anxiety

Diagnosis of contact dermatitis is typically made based on the patient's medical history and physical examination. Allergic patch testing may also be performed to identify specific allergens that are causing the condition.

Treatment for contact dermatitis usually involves avoiding the offending substance and using topical or oral medications to manage symptoms. In severe cases, systemic corticosteroids or immunosuppressants may be prescribed. Phototherapy and alternative therapies such as herbal remedies or acupuncture may also be considered.

Prevention of contact dermatitis involves identifying and avoiding substances that cause an allergic reaction or skin irritation. Individuals with a history of contact dermatitis should take precautions when handling new substances, and should be aware of the potential for cross-reactivity between different allergens.

Also found in: Medical, Encyclopedia.

Examples from the web for 'dermatomycoses'

Some common types of dermatomycoses include athlete's foot and jock itch.

Scientific American, 25 Mar. 2019.

Topical antifungal medications are effective against most types of dermatomycoses.

Britannica.com: encyclopedia article about dermatomycoses.

This condition is caused by a type of fungus that affects the skin, known as dermatomycoses.

Mayo Clinic, 01 Mar. 2020.

Erythema multiforme (EM) is a type of skin rash that can occur as an adverse reaction to certain medications, infections, or other triggers. It is characterized by flat, red lesions with a distinctive "target" or "bull's-eye" pattern.

The condition is relatively common and can affect people of all ages, but it is most commonly seen in young adults and children. Women are more likely to be affected than men.

There are several types of erythema multiforme, including:

1. Erythema multiforme minor (EM minor): This type of EM is mild and self-limiting, and it typically resolves on its own within a few days without scarring.
2. Erythema multiforme major (EM major): This type of EM can be more severe and may lead to scarring. It can also be associated with other systemic symptoms such as fever, headache, and joint pain.
3. Stevens-Johnson syndrome (SJS): This is a more severe form of EM that can be life-threatening. It is characterized by widespread skin blisters and mucous membrane lesions, and it can lead to serious complications such as infections and organ failure.

The exact cause of erythema multiforme is not fully understood, but it is believed to be an immune-mediated reaction to certain triggers. Common triggers include:

1. Medications: Certain medications such as antibiotics, nonsteroidal anti-inflammatory drugs (NSAIDs), and blood pressure medications can cause EM.
2. Infections: Bacterial, viral, and fungal infections can trigger EM.
3. Other triggers: Other triggers of EM include exposure to the sun, stress, and certain foods or substances.

The diagnosis of erythema multiforme is based on the appearance of the skin rash and a thorough medical history. Laboratory tests may be performed to rule out other conditions and identify any underlying infections. Treatment for EM typically involves addressing any underlying triggers, such as stopping medications or treating infections, and supporting the body's immune system with antibiotics and/or corticosteroids. In severe cases, hospitalization may be necessary to monitor and treat complications.

The prognosis for erythema multiforme is generally good, but it can be challenging to predict the course of the condition. In most cases, the rash will resolve on its own within a few weeks, but in severe cases, the rash may persist or lead to complications. With proper treatment and supportive care, most people with EM can expect a full recovery. However, in rare cases, the condition can progress to more serious complications such as scarring, permanent disfigurement, or organ failure.

Types of Drug Eruptions:

1. Maculopapular exanthema (MPE): This is a common type of drug eruption characterized by flat, red patches on the skin that may be accompanied by small bumps or hives. MPE typically occurs within 1-2 weeks of starting a new medication and resolves once the medication is discontinued.
2. Stevens-Johnson syndrome (SJS): This is a more severe type of drug eruption that can cause blisters, skin sloughing, and mucosal lesions. SJS typically occurs within 2-4 weeks of starting a new medication and can be life-threatening in some cases.
3. Toxic epidermal necrolysis (TEN): This is a severe, life-threatening type of drug eruption that can cause widespread skin death and mucosal lesions. TEN typically occurs within 2-4 weeks of starting a new medication and requires immediate hospitalization and treatment.

Causes of Drug Eruptions:

1. Allergic reactions to medications: This is the most common cause of drug eruptions. The body's immune system overreacts to certain medications, leading to skin symptoms.
2. Adverse effects of medications: Certain medications can cause skin symptoms as a side effect, even if the person is not allergic to them.
3. Infections: Bacterial, fungal, or viral infections can cause drug eruptions, particularly if the medication is used to treat the infection.
4. Autoimmune disorders: Certain autoimmune disorders, such as lupus or rheumatoid arthritis, can increase the risk of developing drug eruptions.

Diagnosis and Treatment of Drug Eruptions:

1. Medical history and physical examination: A thorough medical history and physical examination are essential to diagnose a drug eruption. The healthcare provider will look for patterns of skin symptoms that may be related to a specific medication.
2. Skin biopsy: In some cases, a skin biopsy may be necessary to confirm the diagnosis of a drug eruption and to rule out other conditions.
3. Medication history: The healthcare provider will ask about all medications taken by the patient, including over-the-counter medications and supplements.
4. Treatment: Depending on the severity of the drug eruption, treatment may include stopping the offending medication, administering corticosteroids or other immunosuppressive medications, and providing supportive care to manage symptoms such as itching, pain, and infection. In severe cases, hospitalization may be necessary.
5. Monitoring: Patients with a history of drug eruptions should be closely monitored by their healthcare provider when starting new medications, and any changes in their skin should be reported promptly.

Prevention of Drug Eruptions:

1. Allergy testing: Before starting a new medication, the healthcare provider may perform allergy testing to determine the patient's sensitivity to specific medications.
2. Medication history: The healthcare provider should take a thorough medication history to identify potential allergens and avoid prescribing similar medications that may cause an adverse reaction.
3. Gradual introduction of new medications: When starting a new medication, it is recommended to introduce the medication gradually in small doses to monitor for any signs of an adverse reaction.
4. Monitoring: Patients should be closely monitored when starting new medications, and any changes in their skin or symptoms should be reported promptly to their healthcare provider.
5. Avoiding certain medications: In some cases, it may be necessary to avoid certain medications that are more likely to cause a drug eruption based on the patient's medical history and other factors.

Conclusion:

Drug eruptions can present with various symptoms and can be challenging to diagnose. A thorough medical history and physical examination are essential to diagnose a drug eruption. Treatment depends on the severity of the reaction and may include stopping the offending medication, administering corticosteroids, and providing supportive care. Prevention is key, and healthcare providers should be aware of potential allergens and take steps to minimize the risk of adverse reactions. By being vigilant and proactive, healthcare providers can help prevent drug eruptions and ensure the best possible outcomes for their patients.

Some of the key features of immediate hypersensitivity include:

1. Rapid onset of symptoms: Symptoms typically occur within minutes to hours of exposure to the allergen.
2. IgE antibodies: Immediate hypersensitivity is caused by the binding of IgE antibodies to surface receptors on mast cells and basophils.
3. Mast cell and basophil activation: The activation of mast cells and basophils leads to the release of histamine and other chemical mediators that cause symptoms.
4. Anaphylaxis: Immediate hypersensitivity can progress to anaphylaxis, a life-threatening allergic reaction that requires immediate medical attention.
5. Specificity: Immediate hypersensitivity is specific to a particular allergen and does not occur with other allergens.
6. Cross-reactivity: There may be cross-reactivity between different allergens, leading to similar symptoms.
7. Prevention: Avoidance of the allergen is the primary prevention strategy for immediate hypersensitivity. Medications such as antihistamines and epinephrine can also be used to treat symptoms.

There are several types of eczema, including:

1. Atopic dermatitis: This is the most common type of eczema, and it is often associated with allergies such as hay fever or asthma.
2. Contact dermatitis: This type of eczema is caused by exposure to an allergen or irritant, such as a chemical or detergent.
3. Seborrheic dermatitis: This type of eczema is characterized by redness and flaking on the scalp, face, or body.
4. Neurodermatitis: This type of eczema is caused by chronic itching and scratching, which leads to thickening and darkening of the skin.
5. Pompholyx: This is a type of eczema that occurs on the hands and feet.

The exact cause of eczema is not known, but it is thought to be related to an overactive immune system, allergies, and environmental triggers such as stress, cold weather, and certain foods. Treatment for eczema typically involves a combination of topical medications, oral medications, and lifestyle changes, such as avoiding triggers and moisturizing the skin.

Complications of eczema can include:

1. Infections: Eczema can increase the risk of bacterial, viral, and fungal infections, such as impetigo or herpes simplex.
2. Scratching and skin thickening: Chronic itching and scratching can lead to thickening and darkening of the skin, which can be unsightly and painful.
3. Emotional distress: Living with eczema can cause significant emotional distress, including anxiety and depression.
4. Sleep disturbances: Eczema can disrupt sleep patterns and cause fatigue, which can impact daily life and overall well-being.
5. Stigma and social isolation: People with eczema may experience stigma and social isolation due to the visible nature of the condition.

It is important for people with eczema to work closely with their healthcare provider to manage the condition and prevent complications. With appropriate treatment and self-care, many people with eczema are able to manage their symptoms and lead active, fulfilling lives.

There are several types of erythema, including:

1. Erythema migrans (Lyme disease): A rash that occurs due to an infection with the bacteria Borrelia burgdorferi and is characterized by a red, expanding rash with a central clearing.
2. Erythema multiforme: A condition that causes small, flat or raised red lesions on the skin, often triggered by an allergic reaction to medication or infection.
3. Erythema nodosum: A condition that causes small, painful lumps under the skin, usually due to an allergic reaction to medication or infection.
4. Erythema infectiosum (Fifth disease): A viral infection that causes a red rash on the face, arms, and legs.
5. Erythema annulare centrifugum: A condition that causes a ring-shaped rash with raised borders, often seen in people with autoimmune disorders or taking certain medications.

Treatment for erythema depends on the underlying cause, and may include topical creams or ointments, oral medications, or antibiotics. It is important to seek medical attention if you experience any unusual skin changes or symptoms, as some types of erythema can be a sign of a more serious underlying condition.

Exanthema is often used interchangeably with the term "rash," but it specifically refers to a type of rash that is accompanied by other symptoms such as fever, headache, or joint pain. Exanthematous rashes can be contagious and may require treatment with antiviral or antibacterial medications, depending on the underlying cause.

Some common types of exanthema include:

* Measles: a highly contagious viral infection that causes a characteristic rash and other symptoms such as fever and cough.
* Roseola: a viral infection that causes a high fever followed by a rash.
* Fifth disease: a mild viral infection that causes a rash on the face and body.
* Hand, foot and mouth disease: a viral infection that causes a rash on the hands, feet, and mouth.

It's important to note that exanthema can be a symptom of various conditions, so it's important to seek medical attention if you or your child experiences a rash with other symptoms, especially if it's accompanied by fever, headache, or joint pain. A healthcare professional can diagnose the underlying cause and recommend appropriate treatment.

The symptoms of urticaria can vary in severity and may include:

* Appearance of hives or wheals on the skin, often in a patterned or widespread distribution
* Itching or burning sensations on the skin
* Redness, swelling, or warmth of the affected area
* In some cases, angioedema (swelling of the deeper layers of skin)

Urticaria can be caused by a variety of factors, including:

* Allergies to foods, drugs, or insect bites
* Exposure to environmental allergens such as pollen, dust mites, or animal dander
* Infections, such as colds or flu
* Physical stimuli, such as pressure, cold, or heat
* Certain medications, such as antibiotics or nonsteroidal anti-inflammatory drugs (NSAIDs)
* Hormonal changes, such as those that occur during pregnancy or menstruation

Urticaria can be diagnosed through a physical examination and medical history, and may require further testing to determine the underlying cause. Treatment for urticaria typically involves avoiding triggers, using antihistamines or corticosteroids to reduce symptoms, and addressing any underlying conditions that may be contributing to the condition. In severe cases, hospitalization may be necessary to manage the symptoms and prevent complications.