Lichen sclerosus is suspected to be an autoimmune disorder, although researchers have not yet determined the cause. Certain activities, however, have been known to trigger a reaction that may worsen existing symptoms or cause a flare. In the case of lichen sclerosus in the genital area, riding a bike or going horseback riding may be a trigger, whereas lichen sclerosus on the buttocks may be exacerbated by sitting in warm environments for long periods of time. If you can identify what causes your flare-ups, you can avoid it as much as possible to alleviate symptoms.

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