Clinically, acne presentation differs based on condition severity. Mild acne is typically localized to the face and manifests as noninflammatory open and closed comedones. 2 Moderate presentations of ...

The types of acne are blackheads, whiteheads, pustules, papules, nodules, and cysts. A papule is a raised lesion that can fill with pus and become a pustule. Though you can treat most types of acne ...

A 20-year-old man presents with a 4-year history of a skin condition on his face. He tried an over-the-counter salicylic acid facewash that did not help much. The lesions are sometimes painful and ...