While they aren’t prone to infection, blackheads can become infected if you pick at them. Symptoms may include swelling, pain, and pus. Blackheads are a type of noninflammatory acne, meaning they ...

Fungal acne is a skin condition called pityrosporum folliculitis. It is one of many types of folliculitis, an infection in your hair follicle. It's caused by an overgrowth of a yeast called Malassezia ...