Diagnosis
Look in a mirror.
Epidemiologic Risks
Puberty. Always a mistake.
Microbiology
A variety of anaerobes.
Empiric Therapy
Try a good squeeze in front of a mirror. Be sure to clean up; everyone hates zit splatter and remember, with every squeeze you are bacteremic. I hope your mitral valve isn't too bad.
I would refer you to a good dermatology textbook; this is not a disease that is in my purview, although of great interest to my teenagers.
Pearls
Rants
Last Update: 05/05/18.