Malar rash

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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.

A typical presentation of malar rash on the face

Causes[edit]

Malar rash can be caused by several factors and conditions, including:

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]

External Links[edit]

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