Rash
A rash (French rache = a sore) is any abnormal change in the skin color, or texture (1).
By another definition, a rash is breaking out of the skin (eruption, Greek exanthema) (2).
Rashes According To Size, Shape, and Consistency
(Click links for pictures)
Macule
A macule (Latin macula = spot) is a small (< 1cm) skin discoloration in the level of the skin, neither raised, nor depressed, and therefore non-palpable (3).
Patch
A patch is a macule that exceeds 1cm in size (3).
Papule
A papule (Latin papula = pimple) is a small (<1cm) palpable, raised, solid, flat skin spot (3).
continue reading Types of Skin Rashes – Terms Explained & Pictures
