noun
impetigo
im-pih-TY-goh/ˌɪmpɪˈtaɪɡəʊ/
A contagious bacterial skin infection causing sores and crusting.
The man's impetigo causes honey-colored crusted sores around his nose and mouth.

Etymology
Latin impetigo, “skin eruption,” comes from a verb meaning “to attack.” The name once covered skin disease broadly, then narrowed to the specific infection marked by sores and crusts.
In context
pustule which are usually thick walled but these can rupture and when they rupture they leave a yellow Brown crusting lesion around it and this is a classical feature of impetigo
More examples
- Impetigo can spread through shared towels.
- Honey-colored crusts around the nose can be a sign of impetigo.
- His impetigo clears up after treatment.
Forms
impetigo