What is the definition or description of: rash on face?

Various descriptions: Rash on face varies depending on the cause. Raised rash is one, which are palpable or felt by fingers. The different types of raised rashes are: papules (like a pimple), pustular (containing pus), vesicular (containing fluid like chicken pox), or a patch with margins such as in tinea. The nature of the rash gives us clues to make a diagnosis.