Without any other facts as to local, size, details of onset, I'd have to say that sounds like an allergic reaction... If you'll funish more details, perhaps I can narrow it down a little more specifically.....
The small bug with dots on its back is commonly known as a ladybug.
For a woman's chest they are the small openings from which the child can drink milk from the breast.
Draw a stick figure , then put two small dots at the chest region for her boobs.
Those green dots signify that that helmet is wired to receive radio signals.
thy are very small with dots and sparkls lol
Pixel
wasps make small red dots
Answersee a doctor right away!what is it
black hairy with white dots on its back
Lamicital rash is small raised red rash on the chest that will spread evenly outward. It will itch more and more as it progresses. Please seek medical attention if you get a rash as it can lead to Stevens-Johnson's Syndrome which can be fatal
Common signs of a bug infestation with dots on the back include small red or black spots on surfaces, tiny droppings or feces, and visible eggs or larvae. It is important to identify the type of bug infestation to determine the appropriate treatment.
skin cream