EPIDIA is an application designed by professionals in the area of ​​respiratory medicine with the purpose of accompanying the doctor in the process of diagnosing and monitoring diffuse fibrosing interstitial lung diseases (DIFFD). In the "diagnosis" section are the elements of the interrogation, physical examination and laboratory, among others, through which combinations are generated that allow reaching a suggested predictive diagnosis, being able to access a downloadable summary with all the information. EPIDIA is an instrument for continuous medical updating in EPIDf through its “library” and “podcasts” sections. In addition, it allows calculating prognostic predictors for patients and monitoring possible adverse events of different treatments used in clinical practice.