Christmas Tree Rash. In some cases it. This patch can be very large up to four inches across on the chest back or stomach.
Other symptoms that may occur with this rash include. This patch can be very large up to four inches across on the chest back or stomach. The medical name for it is pityriasis rosea.
This patch can be very large up to four inches across on the chest back or stomach.
This patch can be very large up to four inches across on the chest back or stomach. The medical name for it is pityriasis rosea. It typically starts with one large oval or oblong patch called a herald patch or mother patch. In some cases it.