Should I get a 2nd opinion about these freckles on my lips from another dermatologist? Last time they say it's just sun spots but the bottom one in particular still keeps me Dark spot on lip had for 2 3 years but got bigger and darker over time no idea what it is but I don't like it anyone know? : r Dermatology An oral melanotic macule is a harmless dark spot found on the lip, most often the lower lip, or inside the mouth, either on the gums, inside the cheek, or on the roof of the mouth. An oral melanotic a Multifocal brown macules on the hard palate showing variation in Download Scientific Diagram