okay, they aren't cysts- count your blessings that they aren't and don't use that word- I've literally had hundreds, they are deep under the skin and they NEVER come to a head, they linger there for months....so no cysts
you have pustular acne, what are you using to control it? the BP routine on this site will help with that- you need patience and to stick with a good routine for 30 days-
tell us what FULL routines you've tried and for how long
how is your diet? do you eat a lot of dairy and processed foods?