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 Labial Macules: Dark Spots on the Lip Dermatology Advisor Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Oral Melanotic Macule MEDizzy 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 Understanding Lip Spot Causes and Treatments