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Desvenlafaxine-Induced Interstitial Pneumonitis: A Case Report
1Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of Toledo Medical Center, 3000 Arlington Ave, MS 1186, Toledo, OH, 43614, USA. Arjan.flora@utoledo.edu.
Drug Safety - Case Reports
|January 19, 2018
Summary
A man developed interstitial pneumonitis, a serious lung condition, linked to desvenlafaxine treatment for depression. Discontinuation and treatment stabilized his condition, suggesting a possible drug-induced adverse reaction.
Area of Science:
- Pulmonology
- Pharmacology
- Internal Medicine
Background:
- Major depressive disorder is a common condition treated with antidepressants like desvenlafaxine.
- Interstitial pneumonitis is a group of lung diseases affecting the interstitium.
- Adverse drug reactions can manifest in various organ systems, including the lungs.
Purpose of the Study:
- To report a case of interstitial pneumonitis potentially induced by desvenlafaxine.
- To highlight the importance of considering drug-induced lung injury in patients presenting with respiratory symptoms during antidepressant therapy.
Main Methods:
- A case report of a 52-year-old male patient treated with desvenlafaxine.
- Clinical evaluation including pulmonary function tests, radiology imaging (CT scan), and open lung biopsy.
- Naranjo assessment scale used to evaluate the causality of the adverse drug reaction.
Main Results:
- The patient developed symptoms of dyspnea and bronchitic symptoms six months after a dose increase of desvenlafaxine.
- Investigations revealed restrictive lung disease, interstitial fibrosis, and honeycomb changes consistent with chronic hypersensitivity pneumonitis.
- Discontinuation of desvenlafaxine and treatment with prednisone and mycophenolate mofetil led to disease stabilization.
Conclusions:
- Desvenlafaxine may be associated with drug-induced interstitial pneumonitis.
- Early recognition and discontinuation of the offending drug are crucial for managing drug-induced lung disease.
- Further research is needed to elucidate the mechanisms and incidence of desvenlafaxine-induced pulmonary toxicity.
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