From Mdwiki | Lichenoid eruption | |
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| Other names: Drug-induced lichen planus, drug-induced lichenoid eruption, lichenoid cutaneous drug reaction[1] | |
| Lichenoid reaction hand | |
| Specialty | Dermatology |
| Symptoms | Dry scaly reddish bumps or plaques, localised or generalised, often on sun-exposed part of body[2][3] |
| Usual onset | few hours to several weeks after taking causative drug[3] |
| Diagnostic method | History, visualisation, patch test, skin biopsy[3] |
| Differential diagnosis | Lichen planus[3] |
| Treatment | Identify and stop causative drug[2] |
Lichenoid drug eruption is dry scaly reddish bumps or patches of the skin that typically appear after taking certain medicines.[3][2] It often appears in a sun-exposed part of the body, particularly the arms and lips.[3] It may be localised or generalised and the nails may be affected.[3]
It looks similar to lichen planus.[3] Though they have different shapes and lack the white streaks that lichen planus has.[1] It can appear a few hours or weeks after exposure to the causative drug.[1]
Medications that can cause the condition include gold, thiazide, beta blockers, ACE inhibitors, antimalarials, and griseofulvin.[2] It can also occur with proton pump inhibitors and as a symptom of lupus such as subacute cutaneous lupus erythematous.[4][5][6][7] It is characterized by damage and infiltration between the epidermis and dermis.[8]
The term "lichenoid" derives from a resemblance to a lichen.
Arsenic was the first drug to be noted to caused a lichenoid drug eruption.[1]
| Classification |
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Categories: [Dermatologic terminology] [Lichenoid eruptions]
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