Lichenoid eruption: Difference between revisions
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{{Infobox medical condition | |||
| name = Lichenoid eruption | |||
| image = [[File:Histopathology_of_lichenoid_drug_reaction.jpg|left|thumb|Histopathology of lichenoid drug reaction]] | |||
| caption = Histopathology of a lichenoid drug reaction | |||
| field = [[Dermatology]] | |||
| synonyms = Lichenoid dermatosis | |||
| symptoms = [[Itching]], [[rash]], [[papules]], [[plaques]] | |||
| complications = [[Hyperpigmentation]], [[scarring]] | |||
| onset = Variable, often after exposure to a triggering factor | |||
| duration = Can be acute or chronic | |||
| causes = [[Autoimmune]], [[drug reaction]], [[infection]], [[idiopathic]] | |||
| risks = Use of certain medications, [[autoimmune disease]] | |||
| diagnosis = [[Clinical examination]], [[skin biopsy]] | |||
| differential = [[Lichen planus]], [[psoriasis]], [[eczema]] | |||
| treatment = [[Topical corticosteroids]], [[immunosuppressants]], [[phototherapy]] | |||
| prognosis = Generally good with treatment, but may recur | |||
| frequency = Common | |||
}} | |||
'''Lichenoid eruption''' is a skin disorder characterized by the appearance of lichen-like lesions on the skin. These lesions are typically flat, itchy, and can appear anywhere on the body. The exact cause of lichenoid eruptions is unknown, but they are often associated with certain medications, infections, or autoimmune diseases. | '''Lichenoid eruption''' is a skin disorder characterized by the appearance of lichen-like lesions on the skin. These lesions are typically flat, itchy, and can appear anywhere on the body. The exact cause of lichenoid eruptions is unknown, but they are often associated with certain medications, infections, or autoimmune diseases. | ||
== Causes == | == Causes == | ||
Lichenoid eruptions can be caused by a variety of factors. Some of the most common causes include: | Lichenoid eruptions can be caused by a variety of factors. Some of the most common causes include: | ||
* '''Medications''': Certain medications, such as those used to treat high blood pressure, heart disease, or arthritis, can cause lichenoid eruptions. [[Antibiotics]], [[nonsteroidal anti-inflammatory drugs]] (NSAIDs), and [[antimalarial drugs]] can also cause these skin lesions. | * '''Medications''': Certain medications, such as those used to treat high blood pressure, heart disease, or arthritis, can cause lichenoid eruptions. [[Antibiotics]], [[nonsteroidal anti-inflammatory drugs]] (NSAIDs), and [[antimalarial drugs]] can also cause these skin lesions. | ||
* '''Infections''': Certain infections, including [[hepatitis C]], can cause lichenoid eruptions. | * '''Infections''': Certain infections, including [[hepatitis C]], can cause lichenoid eruptions. | ||
* '''Autoimmune diseases''': Lichenoid eruptions can also be associated with autoimmune diseases, such as [[lupus]] or [[rheumatoid arthritis]]. | * '''Autoimmune diseases''': Lichenoid eruptions can also be associated with autoimmune diseases, such as [[lupus]] or [[rheumatoid arthritis]]. | ||
== Symptoms == | == Symptoms == | ||
The symptoms of lichenoid eruptions can vary, but typically include: | The symptoms of lichenoid eruptions can vary, but typically include: | ||
* '''Itchy skin''': This is one of the most common symptoms of lichenoid eruptions. The itchiness can range from mild to severe. | * '''Itchy skin''': This is one of the most common symptoms of lichenoid eruptions. The itchiness can range from mild to severe. | ||
* '''Flat, red patches on the skin''': These patches can appear anywhere on the body, but are most commonly found on the arms, legs, and trunk. | * '''Flat, red patches on the skin''': These patches can appear anywhere on the body, but are most commonly found on the arms, legs, and trunk. | ||
* '''Skin discoloration''': In some cases, lichenoid eruptions can cause the skin to become discolored. This can result in patches of skin that are darker or lighter than the surrounding skin. | * '''Skin discoloration''': In some cases, lichenoid eruptions can cause the skin to become discolored. This can result in patches of skin that are darker or lighter than the surrounding skin. | ||
== Treatment == | == Treatment == | ||
Treatment for lichenoid eruptions typically involves addressing the underlying cause of the condition. This can include: | Treatment for lichenoid eruptions typically involves addressing the underlying cause of the condition. This can include: | ||
* '''Stopping the use of certain medications''': If a medication is causing the lichenoid eruptions, it may be necessary to stop using that medication. However, this should only be done under the supervision of a healthcare provider. | * '''Stopping the use of certain medications''': If a medication is causing the lichenoid eruptions, it may be necessary to stop using that medication. However, this should only be done under the supervision of a healthcare provider. | ||
* '''Treating the underlying infection or autoimmune disease''': If an infection or autoimmune disease is causing the lichenoid eruptions, treating that condition can help to alleviate the skin lesions. | * '''Treating the underlying infection or autoimmune disease''': If an infection or autoimmune disease is causing the lichenoid eruptions, treating that condition can help to alleviate the skin lesions. | ||
* '''Topical treatments''': In some cases, topical treatments, such as corticosteroid creams, can be used to help reduce the itchiness and inflammation associated with lichenoid eruptions. | * '''Topical treatments''': In some cases, topical treatments, such as corticosteroid creams, can be used to help reduce the itchiness and inflammation associated with lichenoid eruptions. | ||
== See also == | == See also == | ||
* [[Lichen planus]] | * [[Lichen planus]] | ||
* [[Lichen sclerosus]] | * [[Lichen sclerosus]] | ||
* [[Lichen simplex chronicus]] | * [[Lichen simplex chronicus]] | ||
[[Category:Dermatology]] | [[Category:Dermatology]] | ||
[[Category:Skin conditions]] | [[Category:Skin conditions]] | ||
[[Category:Autoimmune diseases]] | [[Category:Autoimmune diseases]] | ||
{{stub}} | {{stub}} | ||
Latest revision as of 21:16, 6 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC
| Lichenoid eruption | |
|---|---|
 | |
| Synonyms | Lichenoid dermatosis |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Itching, rash, papules, plaques |
| Complications | Hyperpigmentation, scarring |
| Onset | Variable, often after exposure to a triggering factor |
| Duration | Can be acute or chronic |
| Types | N/A |
| Causes | Autoimmune, drug reaction, infection, idiopathic |
| Risks | Use of certain medications, autoimmune disease |
| Diagnosis | Clinical examination, skin biopsy |
| Differential diagnosis | Lichen planus, psoriasis, eczema |
| Prevention | N/A |
| Treatment | Topical corticosteroids, immunosuppressants, phototherapy |
| Medication | N/A |
| Prognosis | Generally good with treatment, but may recur |
| Frequency | Common |
| Deaths | N/A |
Lichenoid eruption is a skin disorder characterized by the appearance of lichen-like lesions on the skin. These lesions are typically flat, itchy, and can appear anywhere on the body. The exact cause of lichenoid eruptions is unknown, but they are often associated with certain medications, infections, or autoimmune diseases.
Causes[edit]
Lichenoid eruptions can be caused by a variety of factors. Some of the most common causes include:
- Medications: Certain medications, such as those used to treat high blood pressure, heart disease, or arthritis, can cause lichenoid eruptions. Antibiotics, nonsteroidal anti-inflammatory drugs (NSAIDs), and antimalarial drugs can also cause these skin lesions.
- Infections: Certain infections, including hepatitis C, can cause lichenoid eruptions.
- Autoimmune diseases: Lichenoid eruptions can also be associated with autoimmune diseases, such as lupus or rheumatoid arthritis.
Symptoms[edit]
The symptoms of lichenoid eruptions can vary, but typically include:
- Itchy skin: This is one of the most common symptoms of lichenoid eruptions. The itchiness can range from mild to severe.
- Flat, red patches on the skin: These patches can appear anywhere on the body, but are most commonly found on the arms, legs, and trunk.
- Skin discoloration: In some cases, lichenoid eruptions can cause the skin to become discolored. This can result in patches of skin that are darker or lighter than the surrounding skin.
Treatment[edit]
Treatment for lichenoid eruptions typically involves addressing the underlying cause of the condition. This can include:
- Stopping the use of certain medications: If a medication is causing the lichenoid eruptions, it may be necessary to stop using that medication. However, this should only be done under the supervision of a healthcare provider.
- Treating the underlying infection or autoimmune disease: If an infection or autoimmune disease is causing the lichenoid eruptions, treating that condition can help to alleviate the skin lesions.
- Topical treatments: In some cases, topical treatments, such as corticosteroid creams, can be used to help reduce the itchiness and inflammation associated with lichenoid eruptions.
