Medically reviewed by William Truswell, MD Different types of pimples can have various appearances, causes, and treatments.

A painful nodule can form in that area (most often in the armpit, groin area, buttocks, or inner thigh) that looks like a cyst, boil, or deep pimple. As these bumps or nodules grow, they join ...

To treat these growths, Dr. Pimple Popper used another cauterizing tool, which both controlled the bleeding and cut the tiny nodules off the skin. Though the process was simple, it was also smelly ...