I have been getting these pimple like large bumps on my face these past couple months. I have had acne for 6 years now and gone through cystic, sever, and other types of acne. I would say I have moderate acne right now with a lot of scarring, but lately these purple bumps keep showing up. I figured they were just raised scarring. My skin is kind of dry so they would get flakey, dead skin on them and I scratched them off and then a pool of blood would gush out. After the blood stopping coming out, I had a big indent to where the once raised scar was. I don t know what these are? Some times liquid like yellow puss comes out too. How can I help this?