Caffeine can also affect the pulmonary function test by causing the airways to be more open than they would normally. Patients should avoid caffeine as well as smoking for several hours before their appointment.
Does caffeine affect pulmonary function?
About the Author: Dr. Karishma Shinde
Dr. Karishma Shinde, B.H.M.S (MUHS Nashik) PGD, EMS (RHC Pune and the Director of Sunrise diagnostics Centre along with her team works with a vision of rendering care for the happiness of humankind and freedom from illness.