Popping pimples can be bad for your skin, leading to inflammation ... not to pop pimples because your pores are already swollen and under a lot of pressure. When you squeeze a pimple: When ...

Cystic acne occurs very deep under the skin's surface, forming a red ... in the form of a cortisone shot to instantly kill the swelling) and may even be able to save you from scarring altogether.

Human botfly larvae, for example, burrow under your skin, forming a pus-filled pimple. Meanwhile, thousands of young Loa loa worms can travel throughout your body —even across your eyeball!