Differential Diagnosis
DDx Strength: None
Blanching macule, Fever, 50-59 year old Female Add or remove findings

Differential too broad. Edit Findings to refine your results.

Viral exanthem

2/2
Viral exanthemViral exanthem

Exanthematous drug eruption

2/2
Exanthematous drug eruptionExanthematous drug eruption

Mycoplasma exanthem

2/2
Mycoplasma exanthemMycoplasma exanthem

Rocky Mountain spotted fever

2/2
Rocky Mountain spotted feverRocky Mountain spotted fever

Streptococcal pharyngitis

2/2
Streptococcal pharyngitisStreptococcal pharyngitis

Pediculosis corporis

2/2
Pediculosis corporisPediculosis corporis

Sjögren syndrome

2/2
Sjögren syndromeSjögren syndrome

Adult-onset Still disease

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

Cat flea rickettsiosis

2/2
Cat flea rickettsiosis

Abrin poisoning

2/2
Abrin poisoning

African tick bite fever

2/2
African tick bite fever

African trypanosomiasis

2/2
African trypanosomiasis

Atypical measles

2/2
Atypical measlesAtypical measles

Bowel-bypass syndrome

2/2
Bowel-bypass syndromeBowel-bypass syndrome

Chikungunya

2/2
Chikungunya

Colorado tick fever

2/2
Colorado tick feverColorado tick fever

Cutaneous eruption of lymphocyte recovery

2/2
Cutaneous eruption of lymphocyte recovery

Cytomegalovirus infection

2/2
Cytomegalovirus infectionCytomegalovirus infection

Dengue fever

2/2
Dengue feverDengue fever

Drug-induced hypersensitivity syndrome

2/2
Drug-induced hypersensitivity syndromeDrug-induced hypersensitivity syndrome

Endemic typhus

2/2
Endemic typhus

Enteroviral infection

2/2
Enteroviral infectionEnteroviral infection

Epidemic typhus

2/2
Epidemic typhus

Human Anaplasmataceae infection

2/2
Human Anaplasmataceae infectionHuman Anaplasmataceae infection

Human immunodeficiency virus primary infection

2/2
Human immunodeficiency virus primary infectionHuman immunodeficiency virus primary infection

Kikuchi-Fujimoto disease

2/2
Kikuchi-Fujimoto diseaseKikuchi-Fujimoto disease

Leptospirosis

2/2
LeptospirosisLeptospirosis

Mediterranean spotted fever

2/2
Mediterranean spotted feverMediterranean spotted fever

Mononucleosis

2/2
MononucleosisMononucleosis

Psittacosis

2/2
Psittacosis

Rubeola

2/2
RubeolaRubeola

Salmonellosis

2/2
Salmonellosis

Scrub typhus

2/2
Scrub typhusScrub typhus

Serum sickness

2/2
Serum sicknessSerum sickness

Southern tick-associated rash illness

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

Streptobacillus moniliformis rat-bite fever

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

Typhoid fever

2/2
Typhoid feverTyphoid fever

West Nile virus

2/2
West Nile virusWest Nile virus

Arcanobacterium haemolyticum pharyngitis

2/2
Arcanobacterium haemolyticum pharyngitis

Cat-scratch disease

2/2
Cat-scratch diseaseCat-scratch disease

Queensland tick typhus

2/2
Queensland tick typhusQueensland tick typhus

Secondary syphilis

2/2
Secondary syphilisSecondary syphilis

Stevens-Johnson syndrome

2/2
Stevens-Johnson syndromeStevens-Johnson syndrome

Paecilomyces lilacinus infection

2/2
Paecilomyces lilacinus infectionPaecilomyces lilacinus infection

Trench fever

2/2
Trench fever

Engraftment syndrome

2/2
Engraftment syndrome

Eosinophilia-myalgia syndrome

2/2
Eosinophilia-myalgia syndrome

Japanese spotted fever

2/2
Japanese spotted feverJapanese spotted fever

Q fever

2/2
Q fever

Rubella

2/2
RubellaRubella

Schnitzler syndrome

2/2
Schnitzler syndrome

Sindbis

2/2
Sindbis

Spirillum minus rat-bite fever

2/2
Spirillum minus rat-bite fever

Tick-borne lymphadenopathy

2/2
Tick-borne lymphadenopathy

Trichinellosis

2/2
TrichinellosisTrichinellosis

Type 1 lepra reaction

2/2
Type 1 lepra reactionType 1 lepra reaction

Zika virus infection

2/2
Zika virus infectionZika virus infection

Baylisascariasis

2/2
Baylisascariasis

Palmar-plantar eccrine hidradenitis

2/2
Palmar-plantar eccrine hidradenitisPalmar-plantar eccrine hidradenitis

Toxoplasmosis

2/2
ToxoplasmosisToxoplasmosis

Marburg filoviridae virus infection

2/2
Marburg filoviridae virus infection

Bourbon virus disease

2/2
Bourbon virus disease

Cryopyrin-associated periodic syndromes

2/2
Cryopyrin-associated periodic syndromes

Hemophagocytic lymphohistiocytosis

2/2
Hemophagocytic lymphohistiocytosisHemophagocytic lymphohistiocytosis

TNF receptor-associated periodic syndrome

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

Hydroa vacciniforme

2/2
Hydroa vacciniformeHydroa vacciniforme

Unilateral laterothoracic exanthem of childhood

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

Spider angioma

1/2
Spider angiomaSpider angioma

Venous lake

1/2
Venous lakeVenous lake

Arthropod bite or sting

1/2
Arthropod bite or stingArthropod bite or sting

Flea bite

1/2
Flea biteFlea bite

Irritant contact dermatitis

1/2
Irritant contact dermatitisIrritant contact dermatitis

Perioral dermatitis

1/2
Perioral dermatitisPerioral dermatitis

Rosacea

1/2
RosaceaRosacea

Hereditary hemorrhagic telangiectasia

1/2
Hereditary hemorrhagic telangiectasiaHereditary hemorrhagic telangiectasia

Cholinergic urticaria

1/2
Cholinergic urticariaCholinergic urticaria

Baboon syndrome

1/2
Baboon syndromeBaboon syndrome

Cercarial dermatitis

1/2
Cercarial dermatitisCercarial dermatitis

Chilblains

1/2
ChilblainsChilblains

Generalized essential telangiectasia

1/2
Generalized essential telangiectasiaGeneralized essential telangiectasia

Microvenular hemangioma

1/2
Microvenular hemangiomaMicrovenular hemangioma

Mite dermatitis

1/2
Mite dermatitisMite dermatitis

Symmetric drug-related intertriginous and flexural exanthema

1/2
Symmetric drug-related intertriginous and flexural exanthema

Bier spots

1/2
Bier spots

Cutaneous extramedullary hematopoiesis

1/2
Cutaneous extramedullary hematopoiesisCutaneous extramedullary hematopoiesis

Equestrian perniosis

1/2
Equestrian perniosis

Intralymphatic histiocytosis

1/2
Intralymphatic histiocytosis

Macular lymphocytic arteritis

1/2
Macular lymphocytic arteritis

Malignant atrophic papulosis

1/2
Malignant atrophic papulosisMalignant atrophic papulosis

Parkes-Weber syndrome

1/2
Parkes-Weber syndrome

Reticular erythematous mucinosis

1/2
Reticular erythematous mucinosisReticular erythematous mucinosis

Vaccinia-induced erythema multiforme

1/2
Vaccinia-induced erythema multiformeVaccinia-induced erythema multiforme

Cutaneous collagenous vasculopathy

1/2
Cutaneous collagenous vasculopathy

Palmar erythema

1/2
Palmar erythemaPalmar erythema

Unilateral nevoid telangiectasias

1/2
Unilateral nevoid telangiectasiasUnilateral nevoid telangiectasias

Adenopathy and extensive skin patch overlying a plasmacytoma syndrome

1/2
Adenopathy and extensive skin patch overlying a plasmacytoma syndrome

Annular lichenoid dermatitis of youth

1/2
Annular lichenoid dermatitis of youth