jean, they switced me to ambusol you use with a nebulizzer and it has worked wonders so far
I think you need to see a good pulmonologist if that's the only med you're on and you're getting lots of infections. You need someone who will develop a treatment plan for you and prescribe some maintenance medications to help you stabilize.
That's how many you can have, unless you can get him to write a three month prescription for you, but it will be 90 days before you can get any more if you do that. The limit is one a month.
I get lots of chest infections and this is the only thing that helps