Managing Skin Moles Is Good for Your Health We’ll start with rule #1. If any mole (blemish, birthmark, lesion, lump, sore, wart, or other skin phenomenon) appears even remotely suspicious – asymmetric, bleeding, growing, itchy, painful, scaly – see the doctor right away. These are possible warning signs of problems ranging from atypical moles to melanoma. Fortunately, most mole-related anomalies …