Lichenoid eruption
Lichenoid Eruption
Lichenoid eruption (pronunciation: /ˈlaɪkɪnɔɪd ɪˈrʌpʃən/) is a term used to describe a group of skin conditions that resemble lichen planus. The term "lichenoid" is derived from the Greek word "leichen", meaning "tree moss", and the suffix "-oid", meaning "resembling".
Definition
A lichenoid eruption is a skin condition characterized by the appearance of small, itchy, flat-topped bumps on the skin. These eruptions are often purple or reddish-brown in color and may be accompanied by other symptoms such as scaling or hyperpigmentation.
Causes
Lichenoid eruptions can be caused by a variety of factors, including certain medications, infections, or autoimmune diseases. Some of the most common causes include:
- Drug-induced lichenoid eruption: This occurs when a person has an allergic reaction to certain medications, causing a lichenoid eruption to appear on the skin.
- Lichen planus: This is an inflammatory condition that can cause lichenoid eruptions. It is often associated with hepatitis C infection.
- Graft-versus-host disease: This is a complication that can occur after a stem cell or bone marrow transplant, where the donor cells attack the recipient's body, causing a lichenoid eruption among other symptoms.
Treatment
Treatment for lichenoid eruptions typically involves addressing the underlying cause. This may involve discontinuing a medication, treating an infection, or managing an autoimmune disease. Topical corticosteroids are often used to reduce inflammation and itching. In severe cases, systemic treatments such as oral corticosteroids or immunosuppressive drugs may be used.
Related Terms
External links
- Medical encyclopedia article on Lichenoid eruption
- Wikipedia's article - Lichenoid eruption
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