Lichenoid eruption

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Obesity, Sleep & Internal medicine
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Lichenoid eruption
Histopathology of lichenoid drug reaction
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

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

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

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.

See also

• Lichen planus
• Lichen sclerosus
• Lichen simplex chronicus

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