A common rash characterized by a mix of comedones, inflammatory papules, and pustules in a sebaceous gland distribution.
A rare eruption of grouped, reddish-brown papules and nodules, typically around the eyes, which heals with scarring.
Presents as the classic, often edematous, "butterfly rash" (malar rash) that spares the nasolabial folds, triggered by sun exposure.
A misnomer for facial angiofibromas in tuberous sclerosis, appearing as multiple, reddish papules in a butterfly distribution.
An eczematous rash characteristically affecting exposed skin, including the face, eyelids, and V of the neck, from allergens in the air.
An eczematous rash in a pattern that corresponds to contact with a specific allergen, such as from makeup or glasses frames.
Carcinoid syndrome can cause dramatic, episodic flushing of the face, neck, and upper chest, which can become fixed and cyanotic over time.
An autoimmune disease with a characteristic purplish-red "heliotrope" rash on the eyelids and a flat-topped (Gottron's) papules on the knuckles.
A form of cutaneous lupus causing well-demarcated, erythematous, indurated plaques with adherent scale, follicular plugging, and central atrophy.
A genetic disorder presenting with a reticulated (net-like) pattern of hyperpigmentation in flexures, which can also involve the face.
A non-allergic reaction resembling an exaggerated sunburn, with erythema and sometimes blistering, strictly confined to sun-exposed areas.
A disseminated herpes simplex infection on pre-existing eczema, causing a sudden eruption of umbilicated vesicles and "punched-out" erosions.
A superficial bacterial (streptococcal) cellulitis of the face, presenting as a fiery-red, warm, indurated, and sharply demarcated plaque.
A viral illness (parvovirus B19) causing a characteristic bright red "slapped cheek" rash on the face, followed by a lacy, reticular rash on the body.
A drug reaction that recurs in the exact same spot as a well-demarcated, dusky red or violaceous plaque, which can occur on the face.
A benign condition presenting as a single or multiple soft, brown-red to violaceous plaques with prominent follicular openings on the face.
Presents as firm papules and nodules that develop months to years after the injection of cosmetic fillers.
A viral infection causing a cluster of small vesicles on an erythematous base, most commonly on the lips ("cold sore") or perioral skin.
A superficial bacterial infection with characteristic honey-colored crusts, often around the nose and mouth.
Characterized by asymptomatic, non-scaly, erythematous papules that coalesce into annular plaques on the face, neck, and upper back.
A form of cutaneous tuberculosis causing progressive, destructive, reddish-brown plaques with an "apple-jelly" appearance on diascopy.
Also known as Senear-Usher syndrome, this is an overlap of pemphigus foliaceus and lupus erythematosus, with crusted, scaly lesions in a "butterfly" distribution on the face.
An autoimmune blistering disease with superficial, fragile bullae that rupture easily, leading to shallow erosions and a "cornflake-like" scale, often in a seborrheic distribution on the face and upper trunk.
An eruption of tiny erythematous papules and pustules clustered around the mouth, characteristically sparing the vermilion border.
A delayed, eczematous reaction that is strictly limited to sun-exposed areas of skin, caused by a UV-activated allergen.
An immediate, non-allergic reaction resembling an exaggerated sunburn, confined to sun-exposed areas.
A common delayed photodermatosis with an itchy eruption of various morphologies (papules, plaques, vesicles) on sun-exposed skin.
Can affect the face with well-demarcated, erythematous plaques with a silvery scale, often along the hairline or in the eyebrows.
A chronic condition of centrofacial erythema, telangiectasias, papules, and pustules, but lacking comedones.
Can present with reddish-brown or violaceous papules and plaques, often in an annular configuration or as lupus pernio (on the nose).
Systemic sclerosis causes characteristic skin hardening, a "mauskopf" (mouse-like) facies with a pinched nose, and perioral radial furrowing.
A common rash causing greasy, yellowish scale on an erythematous base in the eyebrows, nasolabial folds, and scalp.
Reactivation of the varicella-zoster virus, causing a painful, unilateral eruption of vesicles on an erythematous base in a cranial nerve distribution.
Can lead to steroid rosacea, with persistent erythema, telangiectasias, and papules, or perioral dermatitis.
A photosensitive form of lupus presenting as non-scarring, annular or polycyclic, erythematous, scaly plaques.
An acute, painful, erythematous reaction of the skin following overexposure to UV radiation.
A fungal "ringworm" infection of the facial skin, presenting as an annular, erythematous, scaling plaque with a raised border.
