ORAL MELANOTIC MACULE (OMM) (Also called focal melanosis labial melanotic macule) A benign, localized, flat pigmented lesion of the oral mucosa Caused by a focal increase in melanin production Labial Melanotic Macules in Two Pediatric Patients of Chinese Descent With Atopic Dermatitis Katsiaunis 2025 Pediatric Dermatology Wiley Online Library In the process of removing a Labial Melanotic Macule. A Labial Melanotic Macule is a well defined, oval, brown to black, flat patch on the central third of the lower lip, as seen Labial melanotic macule Citalopram Induced Oral Melanotic Macules in a Female Patient and a Review of the Literature Cureus