Malar rash: Difference between revisions
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= Malar | {{SI}} | ||
{{Infobox medical condition | |||
== | | name = Malar rash | ||
| image = [[File:Lupusfoto.jpg|250px]] | |||
| caption = Malar rash on the face of a person with [[systemic lupus erythematosus]] | |||
| synonyms = Butterfly rash | |||
| field = [[Dermatology]] | |||
| symptoms = Red or purplish facial rash | |||
| complications = May indicate underlying [[autoimmune disease]] | |||
| onset = Sudden or gradual | |||
| duration = Varies, often chronic | |||
| causes = [[Systemic lupus erythematosus]], [[dermatomyositis]], [[rosacea]], [[seborrheic dermatitis]], [[photosensitivity]] | |||
| risks = [[Sun exposure]], [[genetic predisposition]] | |||
| diagnosis = Clinical evaluation, [[biopsy]], [[blood tests]] | |||
| differential = [[Rosacea]], [[seborrheic dermatitis]], [[contact dermatitis]] | |||
| treatment = [[Topical corticosteroids]], [[sunscreen]], [[immunosuppressive drugs]] | |||
| frequency = Common in [[systemic lupus erythematosus]] | |||
}} | |||
'''Malar rash''', also known as "butterfly rash," is a medical condition characterized by an erythematous (red) eruption on the central face. This rash typically covers the cheeks and the bridge of the nose, often sparing the nasolabial folds. It is associated with a variety of conditions, ranging from skin disorders to systemic diseases. | '''Malar rash''', also known as "butterfly rash," is a medical condition characterized by an erythematous (red) eruption on the central face. This rash typically covers the cheeks and the bridge of the nose, often sparing the nasolabial folds. It is associated with a variety of conditions, ranging from skin disorders to systemic diseases. | ||
[[File:Dermatomyositis18.jpg|left|thumb|500px|A typical presentation of malar rash on the face]] | |||
[[File:Dermatomyositis18.jpg|thumb|500px|A typical presentation of malar rash on the face]] | |||
== Causes == | == Causes == | ||
Malar rash can be caused by several factors and conditions, including: | Malar rash can be caused by several factors and conditions, including: | ||
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* Certain medications | * Certain medications | ||
* Infections | * Infections | ||
<youtube> | <youtube> | ||
title='''{{PAGENAME}}''' | title='''{{PAGENAME}}''' | ||
movie_url=http://www.youtube.com/v/r1OimkUhK-4 | movie_url=http://www.youtube.com/v/r1OimkUhK-4 | ||
&rel=1 | &rel=1 | ||
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height=600 | height=600 | ||
</youtube> | </youtube> | ||
== Symptoms and Characteristics == | == Symptoms and Characteristics == | ||
The rash is typically: | The rash is typically: | ||
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* Painful or itchy in some cases | * Painful or itchy in some cases | ||
* Symmetrical over the cheeks and nose | * Symmetrical over the cheeks and nose | ||
== Diagnosis == | == Diagnosis == | ||
Diagnosis of malar rash involves: | Diagnosis of malar rash involves: | ||
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* Laboratory tests if systemic lupus erythematosus or other connective tissue diseases are suspected | * Laboratory tests if systemic lupus erythematosus or other connective tissue diseases are suspected | ||
* Skin biopsy in uncertain cases | * Skin biopsy in uncertain cases | ||
== Treatment == | == Treatment == | ||
Treatment depends on the underlying cause: | Treatment depends on the underlying cause: | ||
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* For rosacea: Topical treatments and avoiding triggers | * For rosacea: Topical treatments and avoiding triggers | ||
* For dermatomyositis: Corticosteroids and immunosuppressants | * For dermatomyositis: Corticosteroids and immunosuppressants | ||
== Prevention and Management == | == Prevention and Management == | ||
Preventive measures include: | Preventive measures include: | ||
| Line 51: | Line 59: | ||
* Avoiding known triggers | * Avoiding known triggers | ||
* Regular dermatological check-ups for those with chronic conditions | * Regular dermatological check-ups for those with chronic conditions | ||
== Prognosis == | == Prognosis == | ||
The prognosis of malar rash varies greatly depending on its underlying cause. Management of the primary disease often leads to improvement in the rash. | The prognosis of malar rash varies greatly depending on its underlying cause. Management of the primary disease often leads to improvement in the rash. | ||
== References == | == References == | ||
<references/> | <references/> | ||
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* [https://www.aad.org/public/diseases/rosacea/what-is American Academy of Dermatology - Rosacea] | * [https://www.aad.org/public/diseases/rosacea/what-is American Academy of Dermatology - Rosacea] | ||
* [https://www.rheumatology.org/I-Am-A/Patient-Caregiver/Diseases-Conditions/Dermatomyositis American College of Rheumatology - Dermatomyositis] | * [https://www.rheumatology.org/I-Am-A/Patient-Caregiver/Diseases-Conditions/Dermatomyositis American College of Rheumatology - Dermatomyositis] | ||
== External Links == | == External Links == | ||
* [https://www.skincancer.org/skin-cancer-prevention/sun-protection/sunscreen/ Skin Cancer Foundation - Sunscreen] | * [https://www.skincancer.org/skin-cancer-prevention/sun-protection/sunscreen/ Skin Cancer Foundation - Sunscreen] | ||
* [https://www.lupus.org/resources/what-is-a-malar-rash Lupus Foundation of America - What is a Malar Rash?] | * [https://www.lupus.org/resources/what-is-a-malar-rash Lupus Foundation of America - What is a Malar Rash?] | ||
[[Category:Dermatology]] | [[Category:Dermatology]] | ||
[[Category:Autoimmune Diseases]] | [[Category:Autoimmune Diseases]] | ||
[[Category:Facial Symptoms]] | [[Category:Facial Symptoms]] | ||
{{stub}} | {{stub}} | ||
Latest revision as of 00:10, 9 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC
| Malar rash | |
|---|---|
| |
| Synonyms | Butterfly rash |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Red or purplish facial rash |
| Complications | May indicate underlying autoimmune disease |
| Onset | Sudden or gradual |
| Duration | Varies, often chronic |
| Types | N/A |
| Causes | Systemic lupus erythematosus, dermatomyositis, rosacea, seborrheic dermatitis, photosensitivity |
| Risks | Sun exposure, genetic predisposition |
| Diagnosis | Clinical evaluation, biopsy, blood tests |
| Differential diagnosis | Rosacea, seborrheic dermatitis, contact dermatitis |
| Prevention | N/A |
| Treatment | Topical corticosteroids, sunscreen, immunosuppressive drugs |
| Medication | N/A |
| Prognosis | N/A |
| Frequency | Common in systemic lupus erythematosus |
| Deaths | N/A |
Malar rash, also known as "butterfly rash," is a medical condition characterized by an erythematous (red) eruption on the central face. This rash typically covers the cheeks and the bridge of the nose, often sparing the nasolabial folds. It is associated with a variety of conditions, ranging from skin disorders to systemic diseases.
Causes[edit]
Malar rash can be caused by several factors and conditions, including:
- Lupus erythematosus, particularly systemic lupus erythematosus (SLE)
- Rosacea
- Dermatomyositis
- Sun exposure
- Certain medications
- Infections
Symptoms and Characteristics[edit]
The rash is typically:
- Red or purplish
- Slightly raised
- Painful or itchy in some cases
- Symmetrical over the cheeks and nose
Diagnosis[edit]
Diagnosis of malar rash involves:
- Clinical examination of the facial skin
- Patient history analysis
- Laboratory tests if systemic lupus erythematosus or other connective tissue diseases are suspected
- Skin biopsy in uncertain cases
Treatment[edit]
Treatment depends on the underlying cause:
- For lupus-related rash: Corticosteroids or antimalarial medications like hydroxychloroquine
- For rosacea: Topical treatments and avoiding triggers
- For dermatomyositis: Corticosteroids and immunosuppressants
Prevention and Management[edit]
Preventive measures include:
- Sun protection with broad-spectrum sunscreen
- Avoiding known triggers
- Regular dermatological check-ups for those with chronic conditions
Prognosis[edit]
The prognosis of malar rash varies greatly depending on its underlying cause. Management of the primary disease often leads to improvement in the rash.
References[edit]
<references/>
- Mayo Clinic - Lupus
- American Academy of Dermatology - Rosacea
- American College of Rheumatology - Dermatomyositis
