It used to be prescription only, but it was so effective at treating COPD and other lung disorders, they took it off the list and made it OTC, years ago.
It used to be prescription only, but it was so effective at treating COPD and other lung disorders, they took it off the list and made it OTC, years ago.
It used to be prescription only, but it was so effective at treating COPD and other lung disorders, they took it off the list and made it OTC, years ago.