2. How long does it last?

Each nodule is generally present for about two weeks, but new nodules can continue to erupt for as many as six weeks. This means the total eruption period can last eight weeks, or even longer if the underlying condition is not treated or does not heal on its own. Some people only develop a few nodules, but acute cases can see 50 or more. Once the nodules have faded, they leave no scarring or indication they were there.



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