This is the comedonal core. It is a plug of debris within the pore. Acne pustules range in size from small to fairly large. They develop in the same areas that papules do. This is usually on the ...

Acne causes pimples, usually on the face, chest, or back. Most common in teenagers and young adults, acne can also affect ...

Acne is a continuous process and causes the eruption of new lesions over time, so at one time there may be comedones, papules, and pustules. Acne is usually described by the primary lesions ...

and presence of monomorphic papules and pustules. In contrast, anabolic steroid-induced acne is true acne with comedones. The onset of acne in older adolescents who are athletes or bodybuilders ...