Hello, I'm in the process of healing my severe acne and it's going very good for the last 6 months, but since I've got my tonsils out (3 months ago, general anesthesia), I keep getting these weird bumps mostly on my face, but sometimes on my body as well, 4-5 times a week. They start to itch, get bigger and then completely go away in 3-4 hours. They appear randomly, sometimes even before I eat something or go outside. They don't hurt, just itch a bit for a few minutes. I've attached some photos, does anybody know what they are? Thanks