My uncle has COPD and takes Spiriva and Advair. He has had pneumo...

My uncle has COPD and takes Spiriva and Advair. He has had pneumonia since June 08 off and on through Sept. I've been concerned about this and have been reading up on Advair for people with COPD causing pneumonia. My question is what other choices does he have for medication if he stops taking the Advair? Does anyone know that has been through this? He is on oxygen all the time and his dose of Spiriva is 100/50. After reading the posts, I'm convinced his pneumonia is a result of the Advair.