 [ Symptoms ] painful mole or skin tag burns constantly a few years ago i noticed a small bump under my left armpit at first it never bothered me and i thought it was going to turn into a skin tag but it never has it is like a small plateau shaped mole that is about the same color as my skin it constantly has a throbbing burning sensation to it and sometimes stings like being stung or poked with a needle it is more irritating than anything and i was just wondering what it could be [ Disease ] i would be wondering as well but you cannot make an important diagnostic call based solely on a brief description any skin lesion that is painful or changing deserves to have a professional look at it first hand if the dermatologist is not sure not all skin lesions can be identified by appearance alone then it may be recommended to have it surgically removed you would then have a cure since it would be gone and a pathological diagnosis    the most accurate