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

Exanthematous drug eruption

2/2
Exanthematous drug eruptionExanthematous drug eruption

Allergic contact dermatitis

2/2
Allergic contact dermatitisAllergic contact dermatitis

Urticaria

2/2
UrticariaUrticaria

Drug-induced hepatotoxicity

2/2
Drug-induced hepatotoxicity

Drug-induced lupus erythematosus

2/2
Drug-induced lupus erythematosusDrug-induced lupus erythematosus

Lichenoid drug eruption

2/2
Lichenoid drug eruptionLichenoid drug eruption

Vasculitis

2/2
VasculitisVasculitis

Acne vulgaris

2/2
Acne vulgarisAcne vulgaris

Erythroderma

2/2
ErythrodermaErythroderma

Drug-induced photosensitive reaction

2/2
Drug-induced photosensitive reactionDrug-induced photosensitive reaction

Subacute cutaneous lupus erythematosus

2/2
Subacute cutaneous lupus erythematosusSubacute cutaneous lupus erythematosus

Discoid lupus erythematosus

2/2
Discoid lupus erythematosusDiscoid lupus erythematosus

Drug-induced non-palpable purpura

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

Leukocytoclastic vasculitis

2/2
Leukocytoclastic vasculitisLeukocytoclastic vasculitis

Pellagra

2/2
PellagraPellagra

Drug-induced hypersensitivity syndrome

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

Acute generalized exanthematous pustulosis

2/2
Acute generalized exanthematous pustulosisAcute generalized exanthematous pustulosis

Toxic epidermal necrolysis

2/2
Toxic epidermal necrolysisToxic epidermal necrolysis

Alopecia areata

2/2
Alopecia areataAlopecia areata

Anagen effluvium

2/2
Anagen effluvium

Bullous drug eruption

2/2
Bullous drug eruptionBullous drug eruption

Liver cirrhosis

2/2
Liver cirrhosisLiver cirrhosis

Serum sickness-like reaction

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

Stevens-Johnson syndrome

2/2
Stevens-Johnson syndromeStevens-Johnson syndrome

Systemic contact dermatitis

2/2
Systemic contact dermatitisSystemic contact dermatitis

Aplastic anemia

2/2
Aplastic anemiaAplastic anemia

Cutis laxa

2/2
Cutis laxaCutis laxa

Gynecomastia

1/2
GynecomastiaGynecomastia

Drug-induced nausea or vomiting

1/2
Drug-induced nausea or vomiting

Drug-induced polyneuropathy

1/2
Drug-induced polyneuropathy

Drug-induced abdominal pain

1/2
Drug-induced abdominal pain

Drug-induced ataxia

1/2
Drug-induced ataxia

Depressive disorders

1/2
Depressive disorders

Vitamin D deficiency

1/2
Vitamin D deficiency

Drug-induced leukopenia

1/2
Drug-induced leukopenia

Peripheral neuropathy

1/2
Peripheral neuropathy

Drug-induced arthralgia

1/2
Drug-induced arthralgia

Drug-induced anorexia

1/2
Drug-induced anorexia

Optic neuritis

1/2
Optic neuritisOptic neuritis

Hyperbilirubinemia

1/2
HyperbilirubinemiaHyperbilirubinemia

Metabolic acidosis

1/2
Metabolic acidosis

Acute pancreatitis

1/2
Acute pancreatitisAcute pancreatitis

Drug-induced alopecia

1/2
Drug-induced alopeciaDrug-induced alopecia

Pericardial effusion

1/2
Pericardial effusionPericardial effusion

Acute interstitial nephritis

1/2
Acute interstitial nephritis

Cervical lymphadenitis

1/2
Cervical lymphadenitisCervical lymphadenitis

Complex regional pain syndrome

1/2
Complex regional pain syndrome

Delirium

1/2
Delirium

Drug-induced fatigue

1/2
Drug-induced fatigue

Drug-induced myopathies

1/2
Drug-induced myopathies

Hypoglycemia

1/2
Hypoglycemia

Terry nails

1/2
Terry nailsTerry nails

Drug-induced hepatitis

1/2
Drug-induced hepatitis

Drug-induced psychosis

1/2
Drug-induced psychosis

Drug-induced fever

1/2
Drug-induced fever

Pure red cell aplasia

1/2
Pure red cell aplasia

Drug-induced leukocytosis

1/2
Drug-induced leukocytosis

Hemolytic anemia

1/2
Hemolytic anemia

Pericarditis

1/2
PericarditisPericarditis

Acute liver failure

1/2
Acute liver failure

Drug-induced diabetes

1/2
Drug-induced diabetes

Acute eosinophilic pneumonia

1/2
Acute eosinophilic pneumoniaAcute eosinophilic pneumonia

Acute respiratory distress syndrome

1/2
Acute respiratory distress syndromeAcute respiratory distress syndrome

Autoimmune hepatitis

1/2
Autoimmune hepatitis

Drug-induced paresthesia

1/2
Drug-induced paresthesia

Glomerulonephritis

1/2
Glomerulonephritis

Hypothermia

1/2
Hypothermia

Liver granuloma

1/2
Liver granuloma

Portal hypertension

1/2
Portal hypertension

Rhabdomyolysis

1/2
Rhabdomyolysis

Vitamin K deficiency

1/2
Vitamin K deficiency

Drug-induced anemia

1/2
Drug-induced anemia

Drug-induced jaundice

1/2
Drug-induced jaundiceDrug-induced jaundice

Vitamin B6 deficiency

1/2
Vitamin B6 deficiency