Differential Diagnosis
DDx Strength: Weak
rituximab, Multiple skin lesions Add or remove findings

Exanthematous drug eruption

2/2
Exanthematous drug eruptionExanthematous drug eruption

Psoriasis

2/2
PsoriasisPsoriasis

Herpes zoster

2/2
Herpes zosterHerpes zoster

Palmoplantar pustulosis

2/2
Palmoplantar pustulosisPalmoplantar pustulosis

Anaphylaxis

2/2
Anaphylaxis

Urticaria

2/2
UrticariaUrticaria

Vasculitis

2/2
VasculitisVasculitis

Drug-induced non-palpable purpura

2/2
Drug-induced non-palpable purpuraDrug-induced non-palpable purpura

Leukocytoclastic vasculitis

2/2
Leukocytoclastic vasculitisLeukocytoclastic vasculitis

Angioedema

2/2
AngioedemaAngioedema

Sarcoidosis

2/2
SarcoidosisSarcoidosis

Subacute cutaneous lupus erythematosus

2/2
Subacute cutaneous lupus erythematosusSubacute cutaneous lupus erythematosus

Lichenoid drug eruption

2/2
Lichenoid drug eruptionLichenoid drug eruption

Osteomyelitis

2/2
OsteomyelitisOsteomyelitis

Pityriasis rosea

2/2
Pityriasis roseaPityriasis rosea

Pruritus without rash

2/2
Pruritus without rashPruritus without rash

Ulcerative colitis

2/2
Ulcerative colitisUlcerative colitis

Serum sickness

2/2
Serum sicknessSerum sickness

Cytomegalovirus infection

2/2
Cytomegalovirus infectionCytomegalovirus infection

Listeriosis

2/2
ListeriosisListeriosis

Pyoderma gangrenosum

2/2
Pyoderma gangrenosumPyoderma gangrenosum

Serum sickness-like reaction

2/2
Serum sickness-like reactionSerum sickness-like reaction

Erythema annulare centrifugum

2/2
Erythema annulare centrifugumErythema annulare centrifugum

Stevens-Johnson syndrome

2/2
Stevens-Johnson syndromeStevens-Johnson syndrome

Toxic epidermal necrolysis

2/2
Toxic epidermal necrolysisToxic epidermal necrolysis

Cryoglobulinemia

2/2
CryoglobulinemiaCryoglobulinemia

Cryptococcosis

2/2
CryptococcosisCryptococcosis

Drug-induced nevi

2/2
Drug-induced nevi

Non-AIDS Kaposi sarcoma

2/2
Non-AIDS Kaposi sarcomaNon-AIDS Kaposi sarcoma

Trichodysplasia spinulosa

2/2
Trichodysplasia spinulosa

Drug-induced cough

1/2
Drug-induced cough

Myocardial infarction

1/2
Myocardial infarction

Melanoma

1/2
MelanomaMelanoma

Ventricular tachycardia

1/2
Ventricular tachycardia

Drug-induced dyspnea

1/2
Drug-induced dyspnea

Drug-induced hypotension

1/2
Drug-induced hypotension

Acute kidney injury

1/2
Acute kidney injury

Drug-induced fatigue

1/2
Drug-induced fatigue

Drug-induced leukopenia

1/2
Drug-induced leukopenia

Respiratory failure

1/2
Respiratory failure

Atrial fibrillation

1/2
Atrial fibrillation

Avascular necrosis

1/2
Avascular necrosisAvascular necrosis

Complete atrioventricular block

1/2
Complete atrioventricular block

Drug-induced stroke

1/2
Drug-induced stroke

Pulmonary edema

1/2
Pulmonary edema

Ventricular fibrillation

1/2
Ventricular fibrillation

Progressive multifocal leukoencephalopathy

1/2
Progressive multifocal leukoencephalopathy

Nonspecific interstitial pneumonia

1/2
Nonspecific interstitial pneumonia

Pneumocystis jirovecii pneumonia

1/2
Pneumocystis jirovecii pneumoniaPneumocystis jirovecii pneumonia

Pulmonary fibrosis

1/2
Pulmonary fibrosis

Reversible posterior leukoencephalopathy syndrome

1/2
Reversible posterior leukoencephalopathy syndrome

Acute respiratory distress syndrome

1/2
Acute respiratory distress syndromeAcute respiratory distress syndrome

Cryptogenic organizing pneumonia

1/2
Cryptogenic organizing pneumoniaCryptogenic organizing pneumonia

Aseptic meningitis

1/2
Aseptic meningitis

Drug-induced fever

1/2
Drug-induced fever

Bowel perforation

1/2
Bowel perforationBowel perforation

Merkel cell carcinoma

1/2
Merkel cell carcinomaMerkel cell carcinoma

Acute liver failure

1/2
Acute liver failure

Cardiogenic shock

1/2
Cardiogenic shock

Cytomegalovirus retinitis

1/2
Cytomegalovirus retinitisCytomegalovirus retinitis

Ileocolitis

1/2
Ileocolitis

Bronchiolitis obliterans

1/2
Bronchiolitis obliteransBronchiolitis obliterans

Drug-induced hepatitis

1/2
Drug-induced hepatitis

Drug-induced paresthesia

1/2
Drug-induced paresthesia

Drug-induced weakness

1/2
Drug-induced weakness

Hemolytic anemia

1/2
Hemolytic anemia

Myocarditis

1/2
Myocarditis

Pulmonary artery hypertension

1/2
Pulmonary artery hypertension

Pulmonary nocardiosis

1/2
Pulmonary nocardiosisPulmonary nocardiosis

Pure red cell aplasia

1/2
Pure red cell aplasia

Splenic rupture

1/2
Splenic ruptureSplenic rupture

Takotsubo cardiomyopathy

1/2
Takotsubo cardiomyopathy

Uveitis

1/2
UveitisUveitis

Drug-induced anemia

1/2
Drug-induced anemia

Extrinsic allergic alveolitis

1/2
Extrinsic allergic alveolitisExtrinsic allergic alveolitis