Differential Diagnosis
DDx Strength: Weak
Blanching macule, Widespread, Arthralgia, 50-59 year old Female Add or remove findings

Differential too broad. Edit Findings to refine your results.

Viral exanthem

3/3
Viral exanthemViral exanthem

Rocky Mountain spotted fever

3/3
Rocky Mountain spotted feverRocky Mountain spotted fever

Dengue fever

3/3
Dengue feverDengue fever

Cat flea rickettsiosis

3/3
Cat flea rickettsiosis

Cat-scratch disease

3/3
Cat-scratch diseaseCat-scratch disease

Chikungunya

3/3
Chikungunya

Colorado tick fever

3/3
Colorado tick feverColorado tick fever

Drug-induced hypersensitivity syndrome

3/3
Drug-induced hypersensitivity syndromeDrug-induced hypersensitivity syndrome

Endemic typhus

3/3
Endemic typhus

Human Anaplasmataceae infection

3/3
Human Anaplasmataceae infectionHuman Anaplasmataceae infection

Human immunodeficiency virus primary infection

3/3
Human immunodeficiency virus primary infectionHuman immunodeficiency virus primary infection

Secondary syphilis

3/3
Secondary syphilisSecondary syphilis

Serum sickness

3/3
Serum sicknessSerum sickness

Stevens-Johnson syndrome

3/3
Stevens-Johnson syndromeStevens-Johnson syndrome

West Nile virus

3/3
West Nile virusWest Nile virus

Epidemic typhus

3/3
Epidemic typhus

Mononucleosis

3/3
MononucleosisMononucleosis

Zika virus infection

3/3
Zika virus infectionZika virus infection

Rubella

3/3
RubellaRubella

Spirillum minus rat-bite fever

3/3
Spirillum minus rat-bite fever

Cryopyrin-associated periodic syndromes

3/3
Cryopyrin-associated periodic syndromes

Marburg filoviridae virus infection

3/3
Marburg filoviridae virus infection

Exanthematous drug eruption

2/3
Exanthematous drug eruptionExanthematous drug eruption

Sjögren syndrome

2/3
Sjögren syndromeSjögren syndrome

Pediculosis corporis

2/3
Pediculosis corporisPediculosis corporis

Adult-onset Still disease

2/3
Adult-onset Still diseaseAdult-onset Still disease

African trypanosomiasis

2/3
African trypanosomiasis

Bowel-bypass syndrome

2/3
Bowel-bypass syndromeBowel-bypass syndrome

Mediterranean spotted fever

2/3
Mediterranean spotted feverMediterranean spotted fever

Rubeola

2/3
RubeolaRubeola

Southern tick-associated rash illness

2/3
Southern tick-associated rash illnessSouthern tick-associated rash illness

Streptobacillus moniliformis rat-bite fever

2/3
Streptobacillus moniliformis rat-bite feverStreptobacillus moniliformis rat-bite fever

African tick bite fever

2/3
African tick bite fever

Arcanobacterium haemolyticum pharyngitis

2/3
Arcanobacterium haemolyticum pharyngitis

Atypical measles

2/3
Atypical measlesAtypical measles

Cutaneous eruption of lymphocyte recovery

2/3
Cutaneous eruption of lymphocyte recovery

Enteroviral infection

2/3
Enteroviral infectionEnteroviral infection

Generalized essential telangiectasia

2/3
Generalized essential telangiectasiaGeneralized essential telangiectasia

Kikuchi-Fujimoto disease

2/3
Kikuchi-Fujimoto diseaseKikuchi-Fujimoto disease

Leptospirosis

2/3
LeptospirosisLeptospirosis

Microvenular hemangioma

2/3
Microvenular hemangiomaMicrovenular hemangioma

Psittacosis

2/3
Psittacosis

Scrub typhus

2/3
Scrub typhusScrub typhus

Symmetric drug-related intertriginous and flexural exanthema

2/3
Symmetric drug-related intertriginous and flexural exanthema

Typhoid fever

2/3
Typhoid feverTyphoid fever

Trench fever

2/3
Trench fever

Schnitzler syndrome

2/3
Schnitzler syndrome

Sindbis

2/3
Sindbis

Tick-borne lymphadenopathy

2/3
Tick-borne lymphadenopathy

Vaccinia-induced erythema multiforme

2/3
Vaccinia-induced erythema multiformeVaccinia-induced erythema multiforme

Cutaneous extramedullary hematopoiesis

2/3
Cutaneous extramedullary hematopoiesisCutaneous extramedullary hematopoiesis

Engraftment syndrome

2/3
Engraftment syndrome

Eosinophilia-myalgia syndrome

2/3
Eosinophilia-myalgia syndrome

Trichinellosis

2/3
TrichinellosisTrichinellosis

Cutaneous collagenous vasculopathy

2/3
Cutaneous collagenous vasculopathy

TNF receptor-associated periodic syndrome

2/3
TNF receptor-associated periodic syndromeTNF receptor-associated periodic syndrome

Bourbon virus disease

2/3
Bourbon virus disease

Hemophagocytic lymphohistiocytosis

2/3
Hemophagocytic lymphohistiocytosisHemophagocytic lymphohistiocytosis

Unilateral laterothoracic exanthem of childhood

2/3
Unilateral laterothoracic exanthem of childhoodUnilateral laterothoracic exanthem of childhood