This is opposed to a non-blanching rash or one that stays red or colored even when you apply pressure.
In general, a blanching rash is more common and less serious than a non-blanching rash.
Meningitis rashes and sepsis rashes are examples of non-blanching rashes.
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However, some blanching rashes can still be serious, including hives.Blanching skincan also indicate poor circulation.
Continue reading to learn more about blanching rashes, including when to see a doctor for a rash.
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Does a Blanching Rash Mean Anything?
To determine whether you have a blanching rash, lightly press on a red or purple area.
If it turns lighter briefly, its a blanching rash.
you might also use a clear glass cup to press lightly on your skin or your childs skin.
If the skin beneath the glass is light and no longer discolored, they may have a blanching rash.
When in doubt, seek emergency medical attention whether or not your rash is blanching.
Circulation Signs
Poor circulationand conditions likefrostbitecan also cause blanching skin.
This blanching is generally more distinct and long-lasting than a typical blanching rash.
Blanching rashes can be a number of different types ofskin rashesand have various characteristics.
For example, hives could be treated with an antihistamine or anti-itch cream.
Psoriasis or eczema may require prescription medication and lifestyle changes.
Untreated Blanching Rash Complications
Oftentimes, skin rashes resolve on their own.
In many cases, a non-blanching rash isnt serious.
However, blanching rashes can be serious too.
Hives can be associated with a potentially deadly allergic reaction calledanaphylaxis.
When in doubt, always reach out to your doctor.
When in doubt, reach out to your healthcare provider to discuss your blanching rash.
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Rady Childrens Hospital.Eczema clinical features.
Harvard Health Publishing.Heat rash: how to spot it and what to do.
Meningitis Research Foundation.What is the meningitis rash?
Pflipsen MC, Vega Colon KM.Anaphylaxis: recognition and management.Am Fam Physician.
2020;102(6):355-362.
