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A non-blanching rash (NBR) is a skin rash that does not fade when pressed with, and viewed through, a glass. It is a characteristic of both purpuric and petechial rashes. [ 1 ] Individual purpura measure 3–10 mm (0.3–1 cm, 3 ⁄ 32 - 3 ⁄ 8 in), whereas petechiae measure less than 3 mm. [ 2 ]
Purpura (/ ˈ p ɜːr p jʊər ə / [1]) is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes. [2]
Young children often exhibit only nonspecific symptoms, such as irritability, drowsiness, or poor feeding. [1] A non-blanching rash (a rash that does not fade when a glass is rolled over it) may also be present. [11] The inflammation may be caused by infection with viruses, bacteria, fungi or parasites. [12]
The blanching skin test is used to determine if a rash or discoloration disappears when pressure is applied, which may be a sign of another illness.
Meningococcal septicaemia typically causes a purpuric rash, that does not lose its color when pressed with a glass slide ("non-blanching") and does not cause the classical symptoms of meningitis. This means the condition may be ignored by those not aware of the significance of the rash.
Retiform purpura is a cutaneous morphology characterized by a branching , non-blanching patch, plaque, or lesion that develops when blood vessels supplying the skin become obstructed. [ 2 ] [ 3 ] This blockage leads to downstream cutaneous ischemia , or insufficient blood supply to the skin, causing purpura , necrosis , and potentially ...
At least 16 staff and children developed rashes and coughs after being struck down by the unknown condition at the nursery in Cambridgeshire.
Erythema toxicum neonatorum is a common, non-threatening rash in newborns. [1] [2] It appears in 40-70% of newborns within the first week of life, and it typically improves within 1–2 weeks. [2] [3] [4] It only occurs during the newborn period, but may appear slightly later in premature babies. [2] [5] The rash has a