If you even pick or scratch at the spots, you ought to stop
. In any case, however, you'll need acne
treatment, which may include external or internal antibiotics or even Accutane.
Boils on the body are another matter still. They are often caused by staph germs and have no direct relationship with acne.
Basically, you need a dermatologist to evaluate all these problems in person. If your current dermatologist has run out of ideas, you may want to consider getting another opinion.