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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Most common cause of idiopathic interstitial pneumonia is
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The correct answer is  Idiopathic pulmonary fibrosis is the most common form of idiopathic interstitial pneumonia.It is characterised by exeional dyspnea,non productive cough,inspiratory crackles with or without digital clubbing.HRCT show patchy,predominantly basilar,subpleural reticular opacities,traction bronchiectasis and honeycombing.Pulmonary function tests often reveal a restrictive pattern. Reference:Harrison' s medicine-18th edition,page no:2165.