This table comes from a PDF from the American Academy of Dermatology.

Differential Diagnosis of Red Facial Rashes

Morphology

Symptoms

Distribution

Treatment

Seborrhea

Pink-red.
Greasy white-yellow scale

Often asymptomatic

Scalp, brows, nasal crease, in and behind ears, can involve chest, axilla, areas of facial hair

Topical steroid Topical calcineurin inhibitor Topical antifungal

Eczema

Varies depending on chronicity:
Acute = bullous,
Chronic = pink lichenified

Itchy, dry, burning

Variable depending on type,
Allergic = areas of allergen exposure
Atopic = spares nose/central face

Topical steroid Topical calcineurin inhibitor

Rosacea

Erythema (patches) telangiectasia, +-pink papules and pustules.
Some with rhinophyma

Some have dry, irritated, burning skin Worsened by alcohol, hot or spicy foods, exercise, etc.

Concavities of face: forehead, cheeks, nose, chin
also eyes

Topical antibiotics Topical calcineurin inhibitor
Oral doxycycline

Acne

Comedones, pink papules, pustules

Social impairment pain, itching

Face, sparing eyelids Shoulders, chest and back

Topical antibiotics topical retinoids Oral antibiotics

Lupus

Pink-Red-Brown,
Annular,
Variable scale,
Variable Scarring

Tender, warm

Acute (malar): cheeks, without crossing nasolabial fold
DLE: Sun-exposed areas and inside ear

Topical steroids Antimalarial

Tinea

Pink annular,
Patches and plaques with advancing scale

Asymptomatic or itchy

Anywhere with stratified squamous epithelium

Topical or oral antifungal

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