A skin abscess is a bump within or below the skin’s surface. It is usually full of pus, painful, and may feel thick and swollen. This is typically caused by a bacterial infection. A skin abscess ...

The patient, from Ireland, developed an abscess with oozing pus at the site on her arm where she was injected. After weeks of doctors’ struggling to identify the cause, believing at first it was ...

Acanthosis nigricans. Pityriasis versicolor. Even if these skin diseases look like word salad to you, doctors should be trained to identify them in everyone. But a challenge comes when dermatology ...