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DDx Strength: Excellent
Blanching macule, Widespread distribution, Arthralgia, 50-59 year old Female

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Viral exanthemViral exanthem
Viral exanthem34
Human immunodeficiency virus primary infectionHuman immunodeficiency virus primary infection
Human immunodeficiency virus primary infection9
Drug-induced hypersensitivity syndromeDrug-induced hypersensitivity syndrome
Drug-induced hypersensitivity syndrome51
MononucleosisMononucleosis
Mononucleosis14
Chikungunya
Chikungunya32
Dengue feverDengue fever
Dengue fever30
Serum sicknessSerum sickness
Serum sickness31
West Nile virusWest Nile virus
West Nile virus8
Zika virus infectionZika virus infection
Zika virus infection7
RubellaRubella
Rubella22
Rocky Mountain spotted feverRocky Mountain spotted fever
Rocky Mountain spotted fever36
EhrlichiosisEhrlichiosis
Ehrlichiosis9
Secondary syphilisSecondary syphilis
Secondary syphilis234
Endemic typhus
Endemic typhus1
Stevens-Johnson syndromeStevens-Johnson syndrome
Stevens-Johnson syndrome102
Exanthematous drug eruptionExanthematous drug eruption
Exanthematous drug eruption62
Epidemic typhus
Epidemic typhus2
Toxic epidermal necrolysis-like lupus erythematosus
Toxic epidermal necrolysis-like lupus erythematosus11
Marburg Filoviridae virus infection
Marburg Filoviridae virus infection5
MeaslesMeasles
Measles28
Enteroviral infectionEnteroviral infection
Enteroviral infection6
Disseminated candidiasisDisseminated candidiasis
Disseminated candidiasis24
Cat flea rickettsiosis
Cat flea rickettsiosis1
Spirillum minus rat-bite fever
Spirillum minus rat-bite fever1
Cryopyrin-associated periodic syndromes
Cryopyrin-associated periodic syndromes9
Colorado tick feverColorado tick fever
Colorado tick fever3
Cat-scratch disease
Cat-scratch disease26
Bowel-associated dermatosis-arthritis syndromeBowel-associated dermatosis-arthritis syndrome
Bowel-associated dermatosis-arthritis syndrome27
Generalized essential telangiectasiaGeneralized essential telangiectasia
Generalized essential telangiectasia14
Acute graft-versus-host diseaseAcute graft-versus-host disease
Acute graft-versus-host disease46
Scrub typhusScrub typhus
Scrub typhus5
Leptospirosis
Leptospirosis6
Hand, foot, and mouth diseaseHand, foot, and mouth disease
Hand, foot, and mouth disease43
Adult-onset Still diseaseAdult-onset Still disease
Adult-onset Still disease12
Hemophagocytic lymphohistiocytosisHemophagocytic lymphohistiocytosis
Hemophagocytic lymphohistiocytosis1
Sjögren syndromeSjögren syndrome
Sjögren syndrome15
Pediculosis corporisPediculosis corporis
Pediculosis corporis31
African trypanosomiasis
African trypanosomiasis5
CryoglobulinemiaCryoglobulinemia
Cryoglobulinemia55
Kikuchi-Fujimoto diseaseKikuchi-Fujimoto disease
Kikuchi-Fujimoto disease2
Mediterranean spotted feverMediterranean spotted fever
Mediterranean spotted fever6
Mycoplasma exanthemMycoplasma exanthem
Mycoplasma exanthem7
Southern tick-associated rash illnessSouthern tick-associated rash illness
Southern tick-associated rash illness8
Streptobacillus moniliformis rat-bite feverStreptobacillus moniliformis rat-bite fever
Streptobacillus moniliformis rat-bite fever10
African tick bite fever
African tick bite fever2
Cercarial dermatitisCercarial dermatitis
Cercarial dermatitis6
Cutaneous eruption of lymphocyte recovery
Cutaneous eruption of lymphocyte recovery1
DermatomyositisDermatomyositis
Dermatomyositis168
Enteric feverEnteric fever
Enteric fever5
Microvenular hemangiomaMicrovenular hemangioma
Microvenular hemangioma4
Salmonellosis
Salmonellosis1
Skin and oral mucosal manifestations of COVID-19
Skin and oral mucosal manifestations of COVID-1959
Symmetrical drug-related intertriginous and flexural exanthema
Symmetrical drug-related intertriginous and flexural exanthema15
Trench fever
Trench fever2
Schnitzler syndrome
Schnitzler syndrome9
Sindbis
Sindbis1
Tick-borne lymphadenopathy
Tick-borne lymphadenopathy1
Vaccinia-induced erythema multiformeVaccinia-induced erythema multiforme
Vaccinia-induced erythema multiforme20
Engraftment syndrome
Engraftment syndrome6
Eosinophilia-myalgia syndrome
Eosinophilia-myalgia syndrome1