Differential Diagnosis
DDx Strength: Weak
Multiple skin lesions, Canada and United States 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

Rocky Mountain spotted fever

Rocky Mountain spotted feverRocky Mountain spotted fever

West Nile virus

West Nile virusWest Nile virus

Cutaneous larva migrans

Cutaneous larva migransCutaneous larva migrans

Cysticercosis

CysticercosisCysticercosis

Fire ant sting

Fire ant stingFire ant sting

Hookworm infection

Hookworm infection

Recluse spider envenomation

Recluse spider envenomationRecluse spider envenomation

Rickettsia parkeri infection

Rickettsia parkeri infection

Rickettsialpox

RickettsialpoxRickettsialpox

Streptobacillus moniliformis rat-bite fever

Streptobacillus moniliformis rat-bite feverStreptobacillus moniliformis rat-bite fever

Paragonimiasis

ParagonimiasisParagonimiasis

Lyme disease

Lyme diseaseLyme disease

Viral exanthem

Viral exanthemViral exanthem

Chikungunya

Chikungunya

Measles

MeaslesMeasles

Arsenical keratosis

Arsenical keratosisArsenical keratosis

Blastomycosis

BlastomycosisBlastomycosis

Caterpillar dermatitis

Caterpillar dermatitisCaterpillar dermatitis

Coccidioidomycosis

CoccidioidomycosisCoccidioidomycosis

Colorado tick fever

Colorado tick feverColorado tick fever

Dirofilariasis

DirofilariasisDirofilariasis

Granuloma inguinale

Granuloma inguinaleGranuloma inguinale

Histoplasmosis

HistoplasmosisHistoplasmosis

Pityriasis rosea

Pityriasis roseaPityriasis rosea

Polymorphous light eruption

Polymorphous light eruptionPolymorphous light eruption

Anisakiasis

Anisakiasis

Echinococcosis

EchinococcosisEchinococcosis

Gnathostomiasis

GnathostomiasisGnathostomiasis

Hemorrhagic fever with renal syndrome

Hemorrhagic fever with renal syndrome

Trench fever

Trench fever

Tularemia

TularemiaTularemia

Hepatitis B virus infection

Hepatitis B virus infection

Dengue fever

Dengue feverDengue fever

Endemic typhus

Endemic typhus

Africanized bee sting

Africanized bee stingAfricanized bee sting

Alpha-gal syndrome

Alpha-gal syndrome

American trypanosomiasis

American trypanosomiasisAmerican trypanosomiasis

Babesiosis

BabesiosisBabesiosis

Borrelia miyamotoi infection

Borrelia miyamotoi infection

Brucellosis

BrucellosisBrucellosis

Chancroid

ChancroidChancroid

Hogweed dermatitis

Hogweed dermatitisHogweed dermatitis

Human Anaplasmataceae infection

Human Anaplasmataceae infectionHuman Anaplasmataceae infection

Leprosy

LeprosyLeprosy

Mycobacterium fortuitum infection

Mycobacterium fortuitum infectionMycobacterium fortuitum infection

New World cutaneous leishmaniasis

New World cutaneous leishmaniasisNew World cutaneous leishmaniasis

Seabather's eruption

Seabather's eruptionSeabather's eruption

Southern tick-associated rash illness

Southern tick-associated rash illnessSouthern tick-associated rash illness

Strongyloidiasis

StrongyloidiasisStrongyloidiasis

Vibrio vulnificus infection

Vibrio vulnificus infectionVibrio vulnificus infection

Bubonic plague

Bubonic plagueBubonic plague

Cutaneous anthrax

Cutaneous anthraxCutaneous anthrax

Dengue hemorrhagic fever

Dengue hemorrhagic fever

Melioidosis

Melioidosis

Septicemic plague

Septicemic plagueSepticemic plague

Trichinellosis

TrichinellosisTrichinellosis

Zika virus infection

Zika virus infectionZika virus infection

Exanthematous drug eruption

Exanthematous drug eruptionExanthematous drug eruption

Acanthosis nigricans

Acanthosis nigricansAcanthosis nigricans