From Surf Wiki (app.surf) — the open knowledge base

Erythema

Redness of the skin or mucous membranes

Field	Value
name	Erythema
image	Erythema migrans - erythematous rash in Lyme disease - PHIL 9875.jpg
caption	Characteristic "bull's eye" rash (erythema migrans) of early Lyme disease
field	Dermatology

Erythema (, ) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology include nervous blushes.

Types

Erythema ab igne
Erythema chronicum migrans
Erythema induratum
Erythema infectiosum (or fifth disease)
Erythema marginatum
Erythema migrans
Erythema multiforme (EM)
Erythema nodosum
Erythema toxicum
Erythema elevatum diutinum
Erythema gyratum repens
Keratolytic winter erythema
Palmar erythema

Causes

It can be caused by infection, massage, electrical treatment, acne medication, allergies, psoriasis, mast cell activation syndrome (MCAS), exercise, solar radiation (sunburn), photosensitization, acute radiation syndrome, mercury toxicity, blister agents, niacin administration, or waxing and tweezing of the hairs—any of which can cause the affected capillaries to dilate, resulting in redness. Erythema is a common side effect of radiotherapy treatment due to patient exposure to ionizing radiation.

Diagnosis

Erythema disappears on finger pressure (blanching), whereas purpura or bleeding in the skin and pigmentation do not. There is no temperature elevation, unless it is associated with the dilation of arteries in the deeper layer of the skin.

References

(2013). "Mosby's Medical Dictionary". Elsevier.
(1994). "Erythema". Mosby-Year Book.
(2022-05-23). "Mast Cell Activation Syndromes: Collegium Internationale Allergologicum Update 2022". Int Arch Allergy Immunol.
(2018). "Acute-Onset High-Morbidity Primary Photosensitisation in Sheep Associated with Consumption of the Casbah and Mauro Cultivars of the Pasture Legume Biserrula". BMC Veterinary Research.
[https://fas.org/nuke/guide/usa/doctrine/army/mmcch/Vesicant.htm#CLINICAL Vesicant] {{webarchive. link. (2017-12-12 EFFECTS)
(Mar–Apr 1990). "Test niacynowy w schizofrenii". Psychiatr Pol.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

dermatologic-terminology radiation-health-effects symptoms-and-signs:-skin-and-subcutaneous-tissue

Want to explore this topic further?

Ask Mako anything about Erythema — get instant answers, deeper analysis, and related topics.

Research with Mako

Free with your Surf account

Content sourced from Wikipedia, available under CC BY-SA 4.0.

This content may have been generated or modified by AI. CloudSurf Software LLC is not responsible for the accuracy, completeness, or reliability of AI-generated content. Always verify important information from primary sources.

Report