Background: Interstitial lung disease (ILD) comprises a heterogeneous group of disorders characterized by multifocal diffuse lung involvement Similarly, COVID-19 has varied multispectral organ involvement Patients with underlying ILD and coexistent COVID-19 infection may lead to an acute blow to the already deceased lung Case presentation: A 58-year-old man presented with fever and cough with expectoration for the past 4 days associated with breathlessness He was a smoker and alcoholic for the past 20 years His saturation was low in room air around 84% and improved to 98% with 10 l/min of nasal oxygen Further investigation shows acute deterioration of ILD Conclusion: COVID-19 infection has a spectrum of manifestations Acute deterioration of ILD is rarely reported in the literature Etiology should be investigated further © 2021, The Author(s)
COVID-19 causing acute deterioration of interstitial lung disease: a case report