What Caused These Multiple Hyperpigmented Macules of the Mouth? Kiss and Tell: Variations of Normal and Pathology of the Lips Today's RDH Mara Ever wondered what those little brown spots are that are often found on the lip? Many refer to them as a freckle but the medical term is melanotic macules. a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram Spot the Dot! Growths on the lips are not too common. Clinically, this was consistent with a labial melanotic macule (aka freckle on the lip). These are benign growths which can be Mucosal melanocytic macules