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Treatment for lichen simplex chronicus

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lichen simplex chronicus treatment guidelines topical corticosteroids

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https://www.msdmanuals.com/professional/dermatologic-disorde…

Treatment aims to break the itch-scratch cycle and treat whatever is causing the itch.
  1. Avoid scratching and rubbing
    • Keep nails short, use a cold compress when itchy, and cover the area if scratching occurs unconsciously, especially during sleep.
    • Identify triggers such as dry skin, eczema, contact allergy, fungal infection, insect bites, stress, or friction.
  2. Moisturize regularly
    • Use a bland, fragrance-free ointment or cream several times daily, particularly after bathing.
    • Avoid hot showers, scented soaps, and irritating fabrics.
  3. Topical corticosteroid for the thick plaque
    • A clinician commonly prescribes a potent topical steroid ointment for a short course, often about 2 to 3 weeks for thick, non-sensitive skin.
    • Do not use high-potency steroids on the face, groin, genital skin, skin folds, or in children unless specifically prescribed. These areas usually need a lower-potency option.
    • Occlusion, such as a dressing over the medicine overnight, can help selected thick lesions but should be clinician-guided.
  4. Control itch
    • A sedating oral antihistamine at night may help some people sleep without scratching, but it can cause drowsiness and is not suitable for everyone.
    • Topical calcineurin inhibitors, such as tacrolimus or pimecrolimus, may be considered for sensitive sites or when repeated steroid courses are undesirable.
    • Emollients and sometimes topical capsaicin can also be useful.
  5. Persistent focal lesion
    • A dermatologist may use intralesional corticosteroid injection for a very thick, stubborn plaque.
    • Refractory cases need reassessment for another diagnosis, allergy, infection, neuropathic itch, or an underlying inflammatory skin disorder.
See a dermatologist if the lesion is genital, painful, oozing/crusted, rapidly changing, not improving after a few weeks, or if the diagnosis is uncertain. A biopsy is occasionally needed to rule out conditions that mimic lichen simplex chronicus. The MSD Manual treatment summary similarly emphasizes treating the original itch trigger, behavioral measures, topical corticosteroids, and antihistamines.
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