Differential Diagnosis
DDx Strength: Moderate
Multiple skin lesions, Blanching patch, Lower leg, Round configuration, Tender skin lesion, Fever, Fatigue, Oral contraceptives, 30-39 year old Female Add or remove findings

Differential too broad. Edit Findings to refine your results.

Erythema nodosum

Erythema nodosumErythema nodosum

Cellulitis

CellulitisCellulitis

Necrotizing fasciitis

Necrotizing fasciitisNecrotizing fasciitis

Erysipelas

ErysipelasErysipelas

Lyme disease

Lyme diseaseLyme disease

Panniculitis

PanniculitisPanniculitis

Erythema multiforme

Erythema multiformeErythema multiforme

Bacterial sepsis

Bacterial sepsisBacterial sepsis

Southern tick-associated rash illness

Southern tick-associated rash illnessSouthern tick-associated rash illness

Deep vein thrombosis

Deep vein thrombosisDeep vein thrombosis

Fixed drug eruption

Fixed drug eruptionFixed drug eruption

Nummular dermatitis

Nummular dermatitisNummular dermatitis

Kawasaki disease

Kawasaki diseaseKawasaki disease

Human Anaplasmataceae infection

Human Anaplasmataceae infectionHuman Anaplasmataceae infection

Serum sickness

Serum sicknessSerum sickness

Stasis dermatitis

Stasis dermatitisStasis dermatitis

Acute febrile neutrophilic dermatosis

Acute febrile neutrophilic dermatosisAcute febrile neutrophilic dermatosis

Disseminated Fusarium infection

Disseminated Fusarium infectionDisseminated Fusarium infection

Drug-induced lupus erythematosus

Drug-induced lupus erythematosusDrug-induced lupus erythematosus

Sjögren syndrome

Sjögren syndromeSjögren syndrome

Herpes zoster

Herpes zosterHerpes zoster

Immunoglobulin A vasculitis

Immunoglobulin A vasculitisImmunoglobulin A vasculitis

Dermatomyositis

DermatomyositisDermatomyositis

Rocky Mountain spotted fever

Rocky Mountain spotted feverRocky Mountain spotted fever

Chilblains

ChilblainsChilblains

Multicentric reticulohistiocytosis

Multicentric reticulohistiocytosisMulticentric reticulohistiocytosis

Livedo reticularis

Livedo reticularisLivedo reticularis

Majeed syndrome

Majeed syndrome

Eosinophilic granulomatosis with polyangiitis

Eosinophilic granulomatosis with polyangiitisEosinophilic granulomatosis with polyangiitis

Thrombotic thrombocytopenic purpura

Thrombotic thrombocytopenic purpuraThrombotic thrombocytopenic purpura

Cryofibrinogenemia

CryofibrinogenemiaCryofibrinogenemia

Ulcerative colitis

Ulcerative colitisUlcerative colitis

Toxic epidermal necrolysis

Toxic epidermal necrolysisToxic epidermal necrolysis

Familial Mediterranean fever

Familial Mediterranean feverFamilial Mediterranean fever

Systemic lupus erythematosus

Systemic lupus erythematosusSystemic lupus erythematosus

Drug-induced phototoxic reaction

Drug-induced phototoxic reactionDrug-induced phototoxic reaction

Stasis ulcer

Stasis ulcerStasis ulcer

Takayasu arteritis

Takayasu arteritisTakayasu arteritis

Eosinophilic cellulitis

Eosinophilic cellulitisEosinophilic cellulitis

Erythema infectiosum

Erythema infectiosumErythema infectiosum

Tinea corporis

Tinea corporisTinea corporis

Poison ivy - oak - sumac dermatitis

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

Nodular vasculitis

Nodular vasculitisNodular vasculitis

Leukocytoclastic vasculitis

Leukocytoclastic vasculitisLeukocytoclastic vasculitis

Vasculitis

VasculitisVasculitis

Recluse spider envenomation

Recluse spider envenomationRecluse spider envenomation

Granuloma annulare

Granuloma annulareGranuloma annulare

Livedoid vasculopathy

Livedoid vasculopathyLivedoid vasculopathy

Atopic dermatitis

Atopic dermatitisAtopic dermatitis

Irritant contact dermatitis

Irritant contact dermatitisIrritant contact dermatitis

Exanthematous drug eruption

Exanthematous drug eruptionExanthematous drug eruption

TNF receptor-associated periodic syndrome

TNF receptor-associated periodic syndromeTNF receptor-associated periodic syndrome

Sclerodermatomyositis

SclerodermatomyositisSclerodermatomyositis

Psoriasis

PsoriasisPsoriasis

Acute meningococcemia

Acute meningococcemiaAcute meningococcemia

Blastomycosis

BlastomycosisBlastomycosis

Bowel-associated dermatosis-arthritis syndrome

Bowel-associated dermatosis-arthritis syndromeBowel-associated dermatosis-arthritis syndrome

Capnocytophaga canimorsus sepsis

Capnocytophaga canimorsus sepsis

South American bartonellosis

South American bartonellosisSouth American bartonellosis

Tularemia

TularemiaTularemia