Differential Diagnosis
DDx Strength: Weak
Scattered many, Multiple skin lesions Add or remove findings

Differential too broad. Edit Findings to refine your results.

Poison ivy - oak - sumac dermatitis

Poison ivy - oak - sumac dermatitisPoison ivy - oak - sumac dermatitis

Allergic contact dermatitis

Allergic contact dermatitisAllergic contact dermatitis

Prurigo nodularis

Prurigo nodularisPrurigo nodularis





Exanthematous drug eruption

Exanthematous drug eruptionExanthematous drug eruption



Arthropod bite or sting

Arthropod bite or stingArthropod bite or sting

Atopic dermatitis

Atopic dermatitisAtopic dermatitis

CA-MRSA skin infection

CA-MRSA skin infectionCA-MRSA skin infection

Flea bite

Flea biteFlea bite

Molluscum contagiosum

Molluscum contagiosumMolluscum contagiosum

Neurotic excoriations

Neurotic excoriationsNeurotic excoriations

Nummular dermatitis

Nummular dermatitisNummular dermatitis

Tinea corporis

Tinea corporisTinea corporis

Atypical nevus syndrome

Atypical nevus syndromeAtypical nevus syndrome

Crusted scabies

Crusted scabiesCrusted scabies

Drug-induced non-palpable purpura

Drug-induced non-palpable purpuraDrug-induced non-palpable purpura

Erythema multiforme

Erythema multiformeErythema multiforme

Papular urticaria

Papular urticariaPapular urticaria

Bacterial sepsis

Bacterial sepsisBacterial sepsis

Bedbug bite

Bedbug biteBedbug bite

Chigger bite

Chigger biteChigger bite

Lichen planus

Lichen planusLichen planus



Pediculosis corporis

Pediculosis corporisPediculosis corporis

Disseminated candidiasis

Disseminated candidiasisDisseminated candidiasis

Disseminated granuloma annulare

Disseminated granuloma annulareDisseminated granuloma annulare

Lymphomatoid papulosis

Lymphomatoid papulosisLymphomatoid papulosis

Secondary syphilis

Secondary syphilisSecondary syphilis

Acute febrile neutrophilic dermatosis

Acute febrile neutrophilic dermatosisAcute febrile neutrophilic dermatosis

Bacillary angiomatosis

Bacillary angiomatosisBacillary angiomatosis

Bullous pemphigoid

Bullous pemphigoidBullous pemphigoid

Calcinosis cutis

Calcinosis cutisCalcinosis cutis



Cutaneous T-cell lymphoma

Cutaneous T-cell lymphomaCutaneous T-cell lymphoma

Disseminated herpes simplex virus

Disseminated herpes simplex virusDisseminated herpes simplex virus

Disseminated herpes zoster

Disseminated herpes zoster

Drug-induced nevi

Drug-induced nevi

Eczema herpeticum

Eczema herpeticumEczema herpeticum

Eruptive xanthoma

Eruptive xanthomaEruptive xanthoma

Erythema annulare centrifugum

Erythema annulare centrifugumErythema annulare centrifugum

Fat emboli

Fat emboliFat emboli

Fire ant sting

Fire ant stingFire ant sting



IgG4-related disease

IgG4-related disease

Immune thrombocytopenic purpura

Immune thrombocytopenic purpuraImmune thrombocytopenic purpura

Langerhans cell histiocytosis

Langerhans cell histiocytosisLangerhans cell histiocytosis

Large plaque parapsoriasis

Large plaque parapsoriasisLarge plaque parapsoriasis

Mycoplasma pneumoniae-induced rash and mucositis

Mycoplasma pneumoniae-induced rash and mucositis

Penicillium marneffei infection

Penicillium marneffei infectionPenicillium marneffei infection

Pustular psoriasis

Pustular psoriasisPustular psoriasis

Steatocystoma multiplex

Steatocystoma multiplexSteatocystoma multiplex

Stevens-Johnson syndrome

Stevens-Johnson syndromeStevens-Johnson syndrome

Hyperimmunoglobulinemia E syndrome

Hyperimmunoglobulinemia E syndromeHyperimmunoglobulinemia E syndrome

Pityriasis lichenoides et varioliformis acuta

Pityriasis lichenoides et varioliformis acutaPityriasis lichenoides et varioliformis acuta

Anti-p200 pemphigoid

Anti-p200 pemphigoid

BAP1 cancer syndrome

BAP1 cancer syndrome

Blastic plasmacytoid dendritic cell neoplasm

Blastic plasmacytoid dendritic cell neoplasm

Cutaneous Rosai-Dorfman disease

Cutaneous Rosai-Dorfman disease