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

Exanthematous drug eruption

2/2
Exanthematous drug eruptionExanthematous drug eruption

Urticaria

2/2
UrticariaUrticaria

Livedo reticularis

2/2
Livedo reticularisLivedo reticularis

Anaphylaxis

2/2
Anaphylaxis

Psoriasis

2/2
PsoriasisPsoriasis

Rosacea

2/2
RosaceaRosacea

Drug-induced lupus erythematosus

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

Drug-induced hepatotoxicity

2/2
Drug-induced hepatotoxicity

Amiodarone drug-induced pigmentation

2/2
Amiodarone drug-induced pigmentationAmiodarone drug-induced pigmentation

Drug-induced photosensitive reaction

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

Lichenoid drug eruption

2/2
Lichenoid drug eruptionLichenoid drug eruption

Angioedema

2/2
AngioedemaAngioedema

Drug-induced phototoxic reaction

2/2
Drug-induced phototoxic reactionDrug-induced phototoxic reaction

Erythroderma

2/2
ErythrodermaErythroderma

Leukocytoclastic vasculitis

2/2
Leukocytoclastic vasculitisLeukocytoclastic vasculitis

Vasculitis

2/2
VasculitisVasculitis

Drug-induced pigmentation

2/2
Drug-induced pigmentationDrug-induced pigmentation

Acne vulgaris

2/2
Acne vulgarisAcne vulgaris

Pseudoporphyria

2/2
PseudoporphyriaPseudoporphyria

Sjögren syndrome

2/2
Sjögren syndromeSjögren syndrome

Subacute cutaneous lupus erythematosus

2/2
Subacute cutaneous lupus erythematosusSubacute cutaneous lupus erythematosus

Drug-induced non-palpable purpura

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

Erythema nodosum

2/2
Erythema nodosumErythema nodosum

Fixed drug eruption

2/2
Fixed drug eruptionFixed drug eruption

Pruritus ani

2/2
Pruritus ani

Pruritus without rash

2/2
Pruritus without rashPruritus without rash

Urticarial vasculitis

2/2
Urticarial vasculitisUrticarial vasculitis

Drug-induced hypersensitivity syndrome

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

Drug-induced photoallergic reaction

2/2
Drug-induced photoallergic reactionDrug-induced photoallergic reaction

Antiphospholipid antibody syndrome

2/2
Antiphospholipid antibody syndromeAntiphospholipid antibody syndrome

Acute generalized exanthematous pustulosis

2/2
Acute generalized exanthematous pustulosisAcute generalized exanthematous pustulosis

Disseminated intravascular coagulation

2/2
Disseminated intravascular coagulationDisseminated intravascular coagulation

Linear IgA dermatosis

2/2
Linear IgA dermatosisLinear IgA dermatosis

Pseudolymphoma

2/2
PseudolymphomaPseudolymphoma

Bullous drug eruption

2/2
Bullous drug eruptionBullous drug eruption

Contact urticaria

2/2
Contact urticariaContact urticaria

Liver cirrhosis

2/2
Liver cirrhosisLiver cirrhosis

Neutrophilic eccrine hidradenitis

2/2
Neutrophilic eccrine hidradenitisNeutrophilic eccrine hidradenitis

Stevens-Johnson syndrome

2/2
Stevens-Johnson syndromeStevens-Johnson syndrome

Toxic epidermal necrolysis

2/2
Toxic epidermal necrolysisToxic epidermal necrolysis

Aplastic anemia

2/2
Aplastic anemiaAplastic anemia

Acquired pancytopenia

2/2
Acquired pancytopeniaAcquired pancytopenia

Drug-induced sclerodermoid reactions

2/2
Drug-induced sclerodermoid reactions

Ergotism

2/2
ErgotismErgotism

Henoch-Schönlein purpura

2/2
Henoch-Schönlein purpuraHenoch-Schönlein purpura

Iododerma

2/2
IododermaIododerma

Palmar erythema

2/2
Palmar erythemaPalmar erythema

Drug-induced nausea or vomiting

1/2
Drug-induced nausea or vomiting

Ventricular tachycardia

1/2
Ventricular tachycardia

Drug-induced ataxia

1/2
Drug-induced ataxia

Drug-induced diarrhea

1/2
Drug-induced diarrhea

Drug-induced syncope

1/2
Drug-induced syncope

Parkinsonism

1/2
Parkinsonism

Drug-induced abdominal pain

1/2
Drug-induced abdominal pain

Hypothyroidism

1/2
HypothyroidismHypothyroidism

Depressive disorders

1/2
Depressive disorders

Insomnia

1/2
Insomnia

Cataracts

1/2
CataractsCataracts

Drug-induced cough

1/2
Drug-induced cough

Gynecomastia

1/2
GynecomastiaGynecomastia

Congestive heart failure

1/2
Congestive heart failureCongestive heart failure

Drug-induced polyneuropathy

1/2
Drug-induced polyneuropathy

Myocardial infarction

1/2
Myocardial infarction

Orthostatic hypotension

1/2
Orthostatic hypotension

Transient global amnesia

1/2
Transient global amnesia

Drug-induced hypotension

1/2
Drug-induced hypotension

Prolonged QT interval

1/2
Prolonged QT interval

Drug-induced headache

1/2
Drug-induced headache

Atrial fibrillation

1/2
Atrial fibrillation

Drug-induced dyspnea

1/2
Drug-induced dyspnea

Ocular drug reaction

1/2
Ocular drug reaction

Brugada syndrome

1/2
Brugada syndrome

Drug-induced constipation

1/2
Drug-induced constipation

Drug-induced fatigue

1/2
Drug-induced fatigue

Drug-induced leukopenia

1/2
Drug-induced leukopenia

Hyperthyroidism

1/2
Hyperthyroidism

Hypoglycemia

1/2
Hypoglycemia

Peripheral neuropathy

1/2
Peripheral neuropathy

Ventricular fibrillation

1/2
Ventricular fibrillation

Drug-induced corneal deposits

1/2
Drug-induced corneal depositsDrug-induced corneal deposits

Sinus bradycardia

1/2
Sinus bradycardia

Drug-induced arthralgia

1/2
Drug-induced arthralgia

First-degree atrioventricular block

1/2
First-degree atrioventricular block

Drug-induced alopecia

1/2
Drug-induced alopeciaDrug-induced alopecia

Drug-induced palpitations

1/2
Drug-induced palpitations

Pericardial effusion

1/2
Pericardial effusionPericardial effusion

Complete atrioventricular block

1/2
Complete atrioventricular block

Drug-induced anorexia

1/2
Drug-induced anorexia

Delirium

1/2
Delirium

Drug-induced esophagitis

1/2
Drug-induced esophagitis

Drug-induced myopathies

1/2
Drug-induced myopathies

Hyperbilirubinemia

1/2
HyperbilirubinemiaHyperbilirubinemia

Syndrome of inappropriate antidiuretic hormone

1/2
Syndrome of inappropriate antidiuretic hormone

Digitalis toxicity

1/2
Digitalis toxicity

Drug-induced dizziness

1/2
Drug-induced dizziness

Drug-induced erectile dysfunction

1/2
Drug-induced erectile dysfunction

Pleural effusion

1/2
Pleural effusionPleural effusion

Substance-induced sexual dysfunction

1/2
Substance-induced sexual dysfunction

Vertigo

1/2
Vertigo

Acute kidney injury

1/2
Acute kidney injury

Acute pancreatitis

1/2
Acute pancreatitisAcute pancreatitis

Drug-induced anxiety

1/2
Drug-induced anxiety

Drug-induced diaphoresis

1/2
Drug-induced diaphoresis

Drug-induced dysgeusia

1/2
Drug-induced dysgeusia

Drug-induced oral ulcer

1/2
Drug-induced oral ulcerDrug-induced oral ulcer

Drug-induced somnolence

1/2
Drug-induced somnolence

Optic neuritis

1/2
Optic neuritisOptic neuritis

Anterior ischemic optic neuropathy

1/2
Anterior ischemic optic neuropathyAnterior ischemic optic neuropathy

Atrioventricular nodal reentry tachycardia

1/2
Atrioventricular nodal reentry tachycardia

Gastric ulcer

1/2
Gastric ulcer

Hepatic encephalopathy

1/2
Hepatic encephalopathy

Membranous glomerulonephritis

1/2
Membranous glomerulonephritis

Multifocal or diffuse mucosal pigmentation

1/2
Multifocal or diffuse mucosal pigmentationMultifocal or diffuse mucosal pigmentation

Oral lichen planus

1/2
Oral lichen planusOral lichen planus

Papilledema

1/2
PapilledemaPapilledema

Phlebitis

1/2
PhlebitisPhlebitis

Pneumothorax

1/2
Pneumothorax

Pulmonary edema

1/2
Pulmonary edema

Seizure

1/2
Seizure

Serotonin syndrome

1/2
Serotonin syndrome

Sick sinus syndrome

1/2
Sick sinus syndrome

Superficial thrombophlebitis

1/2
Superficial thrombophlebitisSuperficial thrombophlebitis

Terry nails

1/2
Terry nailsTerry nails

Vocal cord paralysis

1/2
Vocal cord paralysis

Respiratory failure

1/2
Respiratory failure

Torsades de pointes

1/2
Torsades de pointes

Drug-induced movement disorders

1/2
Drug-induced movement disorders

Drug-induced hepatitis

1/2
Drug-induced hepatitis

Drug-induced psychosis

1/2
Drug-induced psychosis

Drug-induced paresthesia

1/2
Drug-induced paresthesia

Hyponatremia

1/2
Hyponatremia

Atrial flutter

1/2
Atrial flutter

Drug-induced heart failure

1/2
Drug-induced heart failure

Drug-induced chest pain

1/2
Drug-induced chest pain

Drug-induced fever

1/2
Drug-induced fever

Acute respiratory distress syndrome

1/2
Acute respiratory distress syndromeAcute respiratory distress syndrome

Liver granuloma

1/2
Liver granuloma

Pulmonary fibrosis

1/2
Pulmonary fibrosis

Drug-induced flushing reaction

1/2
Drug-induced flushing reaction

Second-degree atrioventricular block

1/2
Second-degree atrioventricular block

Drug-induced weakness

1/2
Drug-induced weakness

Pericarditis

1/2
PericarditisPericarditis

Cryptogenic organizing pneumonia

1/2
Cryptogenic organizing pneumoniaCryptogenic organizing pneumonia

Hemolytic anemia

1/2
Hemolytic anemia

Nonspecific interstitial pneumonia

1/2
Nonspecific interstitial pneumonia

Thyroiditis

1/2
ThyroiditisThyroiditis

Acute interstitial pneumonia

1/2
Acute interstitial pneumoniaAcute interstitial pneumonia

Drug-induced hyperlipasemia

1/2
Drug-induced hyperlipasemia

Drug-induced leukocytosis

1/2
Drug-induced leukocytosis

Drug-induced oral pigmentation

1/2
Drug-induced oral pigmentationDrug-induced oral pigmentation

Nonalcoholic fatty liver disease

1/2
Nonalcoholic fatty liver diseaseNonalcoholic fatty liver disease

Thyroid cancer

1/2
Thyroid cancerThyroid cancer

Uveitis

1/2
UveitisUveitis

Acute eosinophilic pneumonia

1/2
Acute eosinophilic pneumoniaAcute eosinophilic pneumonia

Diabetes insipidus

1/2
Diabetes insipidus

Drug-induced dysphagia

1/2
Drug-induced dysphagia

Drug-induced dystonia

1/2
Drug-induced dystonia

Esophageal stricture

1/2
Esophageal stricture

Nephrotic syndrome

1/2
Nephrotic syndrome

Pulmonary artery hypertension

1/2
Pulmonary artery hypertension

Pure red cell aplasia

1/2
Pure red cell aplasia

Pleurisy

1/2
Pleurisy

Portal hypertension

1/2
Portal hypertension

Drug-induced anemia

1/2
Drug-induced anemia

Drug-induced jaundice

1/2
Drug-induced jaundiceDrug-induced jaundice

Idiopathic intracranial hypertension

1/2
Idiopathic intracranial hypertensionIdiopathic intracranial hypertension

Drug-induced hemoptysis

1/2
Drug-induced hemoptysis

Chronic inflammatory demyelinating polyneuropathy

1/2
Chronic inflammatory demyelinating polyneuropathy

Desquamative interstitial pneumonia

1/2
Desquamative interstitial pneumonia

Extrinsic allergic alveolitis

1/2
Extrinsic allergic alveolitisExtrinsic allergic alveolitis