What Causes Blanching Rash
Inflammation of the Skin: This Could Include Drug Eruptions, Hives, and More. Obstruction of Blood Flow to an Area of the Skin: Chemicals, Cold, Trauma...
Inflammation of the skin: This could include drug eruptions, hives, and more. Obstruction of blood flow to an area of the skin: Chemicals, cold, trauma, radiation, or chronic conditions can impair blood flow.
Is a blanching rash serious?
If the rash disappears or turns white it’s a blanching rash. Rashes that blanch when touched aren’t usually serious. Most rashes are blanching rashes, including virus rashes and allergic reactions.
What causes non blanching rash?
Most children with a non-blanching rash who are well will not have a serious underlying cause. In many cases, a simple viral illness (often adenovirus) is the final diagnosis. Other differentials include Henoch-Schonlein purpura (HSP), immune thrombocytopenic purpura (ITP) or mechanical causes including physical abuse.