3351 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... Examples: Contact dermatitis ... types #allergy #table
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... potential inciting causes ... Haverhill fever caused ... • Cause is unknown ... Erythemas #comparison #table
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
demarcated • Atopic Dermatitis ... ) • Nummular Dermatits ... • Seborrheic Dermatitis ... • Contact Dermatitis ... Diagnosis #Algorithm #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... skin) • Atopic dermatitis ... • Nummular dermatitis ... • Stasis dermatitis ... Diagnosis #Algorithm #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
blisters, possibly crusts ... • Contact dermatitis ... pemphigoid • Dermatitis ... Diagnosis #Algorithm #causes
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
skin) • Atopic dermatitis ... • Nummular dermatitis ... • Seborrheic dermatitis ... • Stasis dermatitis ... Diagnosis #Algorithm #causes
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Foreign body • Keratitis ... Differential #Diagnosis #table ... #causes #ophthalmology
Contact Dermatitis: Inflammatory response to topical irritant. Note the linear distribution 
across the knuckles, caused by
Contact Dermatitis ... the knuckles, caused ... SkinRash #Contact #Dermatitis
Linear Rash in the Returning Traveler - Differential Diagnosis
Infectious:
 • Cutaneous larva migrans
 • Scabies (Sarcoptes
fish • Toxic dermatitides ... Blister beetle dermatitis
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... Inflammatory Causes ... reaction • Contact dermatitis ... stasis • Stasis dermatitis ... Neoplastic Causes