no
Yes.
It can cause a buildup of phlegm and mucus in the airways, but not in the lungs.
Yes it can
i have just had x-ray got fluid in left lung, i take a drug for cml called dasatinib my doctor said it could be causing fluid retention so taking me of my medication for 1wk to see if there is any...
There are a variety of causes but here is a site that covers the most common: http://www.2ndchance.info/cough.htm