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Common causes for a localized dark spot in children include minor trauma, post-inflammatory hyperpigmentation, or a benign labial melanotic macule. In rare instances, multiple mucosal spots can be linked to systemic genetic conditions such as Peutz-Jeghers syndrome. A pediatrician or dermatologist needs to physically examine the spot to rule out atypical lesions or underlying health concerns.
Answered2026-09-06 15:37:24
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