Eosinophilic pulmonary syndromes

Etiology

• Chronic eosinophilic pneumonia
• Acute eosinophilic pneumonia (Loeffler's syndrome)
• Drugs: nitrofurantoin, phenytoin, ampicillin, penicillin, sulfonamides, acetaminophen, ranitidine, methotrexate
• Helminth infection: ascariasis, hookworm, strongyloidiasis, paragonimiasis, toxocariasis (visceral larva migrans), tropical pulmonary eosinophilia (Wuchereria bancrofti, Brugia malayi)
• Allergic bronchopulmonary aspergillosis (ABPA)
• Churg-Strauss syndrome
• Systemic hypereosinophilic syndromes
• Eosinophilic granuloma (Langerhans cell histiocytosis, histiocytosis X)
• Malignancy
• Numerous interstitial lung diseases
• Toxins: inhaled crack cocaine, heroin, Scotchguard, sulfite pesticides