 [ Symptoms ] small black spot on side of tongue pretty far back black spot on lower gums black spot on side of tongue that is small painless have a black spot on my lower gums same side of mouth been have neckaches and headaches should i be worried [ Disease ] worrying does not cure anything especially anxiety it would be impossible to determine the nature of these black spots based on a vague description so you will need a hands on professional opinion your dentist is skilled in this area but your primary care provider or an ent can also render an opinion