Medically reviewed by Casey Gallagher, MD Petechiae are tiny red or purple dots that don't turn white when you press on them.

Non-blanching rashes, also known as petechial rash, are caused by blood vessels bleeding under the skin. A rash that doesn’t itch or hurt in adults or children is often non-blanching.

An exanthem is any eruptive skin rash that may be associated with fever ... Parovovirus B19 has been linked recently to several petechial and purpuric exanthems, which may be localized to ...

The rash of pityriasis rosea typically lasts approximately ... Parovovirus B19 has been linked recently to several petechial and purpuric exanthems, which may be localized to particular areas ...