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Drug-Induced Pulmonary Disease

ByJoyce Lee, MD, MAS, University of Colorado School of Medicine
Richard K. Albert, MD, Department of Medicine, University of Colorado Denver - Anschutz Medical
Reviewed/Revised Jun 2025
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Drug-induced pulmonary disease is not a single disorder, but rather a spectrum of lung disorders caused by adverse reactions to various medications or substances. Patients without previous pulmonary disease may develop respiratory symptoms, chest radiograph changes, deterioration of pulmonary function, histologic changes, or several of these findings in association with medication therapy or illicit drug use. Over 150 medications or substances have been reported as causing pulmonary disease; the mechanism is rarely known, but many medications are thought to provoke a hypersensitivity response. Some medications (eg, nitrofurantoin) can cause different injury patterns in different patients.. Some medications (eg, nitrofurantoin) can cause different injury patterns in different patients.

Depending on the medication or substance, drug-induced syndromes can cause interstitial fibrosis, organizing pneumonia, asthma, noncardiogenic pulmonary edema, pleural effusions, pulmonary eosinophilia, pulmonary hemorrhage, or veno-occlusive disease (see table Substances With Toxic Pulmonary Effects).

Table
Table

Diagnosis is based on observation of responses to withdrawal from and, if practical, reintroduction to the suspected medication.

Treatment of Drug-Induced Pulmonary Disease

  • Stopping the medication or substance

Management involves discontinuation of the offending agent.

Prevention of Drug-Induced Pulmonary Disease

Pulmonary function testing, chest imaging, or both is commonly performed in patients who are initiating or are currently administered medications associated with pulmonary toxicity; however, the benefits of screening for underlying lung disease or monitoring for early detection of toxicity are unproven. In general, it is advisable to limit the use of agents with risk of pulmonary toxicity.

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