Stage 3: Questions to ask your Doctor Make an Appointment Refer a Patient Ask a Question Reviewed by Jeffrey James Swigris, DO, MS (September 01, 2017) Stage 3 of IPF is when oxygen is needed 24 hours a day, with activity, at rest and during sleep. Questions to ask your health care provider about Stage 3 Idiopathic Pulmonary Fibrosis Do I need to be careful about physical activity? Am I a candidate for a lung transplant? If so, what do I do? Are my vaccinations up to date? Should I enroll or re-enroll in pulmonary rehabilitation? Do I have pulmonary hypertension? Stage 2: Questions to ask your Doctor Stage 4: Questions to ask your Doctor Clinical Trials For more than 100 years, National Jewish Health has been committed to finding new treatments and cures for diseases. Search our clinical trials.