Citalopram Induced Oral Melanotic Macules in a Female Patient and a Review of the Literature Cureus Intra oral photograph of the lesion, melanotic macule as well as the Download Scientific Diagram Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics 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