Hypersensitivity pneumonitis due to flavocoxid: are corticosteroids necessary?

Hypersensitivity pneumonitis (HP) is a rare adverse event with flavocoxid (Limbrel) use. Patients present with nonspecific symptoms after exposure to an inciting agent. A 42-year-old female presented with worsening dyspnea on exertion and pleuritic midsternal chest pain. Her symptoms failed to abate with outpatient azithromycin for a diagnosis of community-acquired pneumonia. She was seen again at the emergency department (ED) due to symptom progression and exertional hypoxia. Chest reoentgenogram (x-ray) and computed tomography (CT) chest revealed bilateral infiltrates. Her history was significant for initiation of flavocoxid (Limbrel) two weeks prior, and a diagnosis of hypersensitivity pneumonitis was made. Once flavocoxid was discontinued, symptoms and radiologic studies improved without requiring biopsy or steroids. Hypersensitivity pneumonitis is associated with many pharmacological agents and is challenging to diagnose, given nonspecific symptoms and radiologic findings. In the absence of specific indications to use corticosteroids, symptoms of HP might resolve with cessation of the offending agent, as proven by this case.

Citation

Veena Panduranga, Jonessa Atienza, Anupam Kumar, Mark L Metersky. Hypersensitivity pneumonitis due to flavocoxid: are corticosteroids necessary? Connecticut medicine. 2013 Feb;77(2):87-90

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PMID: 23513636

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