Erythema: Difference between revisions
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==Overview== | ==Overview== | ||
'''Erythema''' is redness of the [[skin]] caused by [[capillary]] congestion. | '''Erythema''' is redness of the [[skin]] caused by [[capillary]] congestion. | ||
It can be caused by [[infection]], [[massage]], electrical treatments, [[acne]] medication, [[allergy|allergies]], exercise or solar radiation ([[sunburn]]), and waxing and plucking of the hairs any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of [[radiotherapy]] treatment due to patient exposure to [[ionizing radiation]]. | It can be caused by [[infection]], [[massage]], electrical treatments, [[acne]] medication, [[allergy|allergies]], exercise or solar radiation ([[sunburn]]), and waxing and plucking of the hairs any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of [[radiotherapy]] treatment due to patient exposure to [[ionizing radiation]]. | ||
==Causes== | ==Causes== | ||
It can be caused by [[infection]], [[massage]], electrical treatment, [[acne]] medication, [[allergy|allergies]], exercise, solar radiation ([[sunburn]]), [[cutaneous radiation syndrome]], [[niacin]] administration, vitamin A toxicity, or waxing and tweezing of the hairs—any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of [[radiotherapy]] treatment due to patient exposure to [[ionizing radiation]]. Circumoral erythema has been described as a typical sign of acute [[oleander]] poisoning by ingestion. | It can be caused by [[infection]], [[massage]], electrical treatment, [[acne]] medication, [[allergy|allergies]], exercise, solar radiation ([[sunburn]]), [[cutaneous radiation syndrome]], [[niacin]] administration, vitamin A toxicity, or waxing and tweezing of the hairs—any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of [[radiotherapy]] treatment due to patient exposure to [[ionizing radiation]]. Circumoral erythema has been described as a typical sign of acute [[oleander]] poisoning by ingestion. | ||
===Common Causes=== | ===Common Causes=== | ||
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===Causes in Alphabetical Order=== | ===Causes in Alphabetical Order=== | ||
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[[Category:Medical signs]] | [[Category:Medical signs]] | ||
[[Category:Dermatology]] | [[Category:Dermatology]] | ||
{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
Revision as of 03:37, 29 July 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Erythema is redness of the skin caused by capillary congestion. It can be caused by infection, massage, electrical treatments, acne medication, allergies, exercise or solar radiation (sunburn), and waxing and plucking of the hairs any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of radiotherapy treatment due to patient exposure to ionizing radiation.
Causes
It can be caused by infection, massage, electrical treatment, acne medication, allergies, exercise, solar radiation (sunburn), cutaneous radiation syndrome, niacin administration, vitamin A toxicity, or waxing and tweezing of the hairs—any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of radiotherapy treatment due to patient exposure to ionizing radiation. Circumoral erythema has been described as a typical sign of acute oleander poisoning by ingestion.
Common Causes
- Atopic dermatitis
- Chickenpox
- Contact dermatitis
- Fifth disease
- Hand-foot-mouth disease
- Impetigo
- Insect bites or stings
- Kawasaki disease
- Lupus erythematosus
- Measles
- Psoriasis
- Roseola
- Rheumatoid arthritis
- Rubella
- Scarlet fever
- Seborrheic dermatitis
- Shingles
Causes by Organ System
Causes in Alphabetical Order
Associated conditions
- Erythema ab igne
- Erythema annulare centrifugum
- Erythema chromicum figuratum
- Erythema chronicum migrans
- Erythema craquele
- Erythema dyschromicum perstans
- Erythema elevatum diutinum
- Erythema gyratum perstans
- Erythema gyratum repens
- Erythema induratum
- Erythema infectiosum
- Erythema marginatum
- Erythema migrans
- Erythema multiforme
- Erythema nodosum
- Erythema toxicum neonatorum
In about 30-50% of cases, the cause of Erythema is unknown.
