A maculopapular rash is distinctive but not definitive — it can indicate many conditions. This type of skin rash is characterized by a flat, red area that is usually dry and covered in small bumps. Maculopapular rashes are common in children, but they can affect people of any age and can appear anywhere on the body.
Maculopapular rashes are a combinaton of macules and papules. Macules are flat, red regions of up to about a centimeter that lie flush with the skin. Papules are reddened lesions of up to a centimeter that are slightly elevated. If these lesions are close together, they can merge. Macules that merge are called patches, and papules that merge are called plaques.
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