Ferrum phos. [Ferr-p]
Bronchitis, inflammation of the lining of the bronchial tubes first remedy.
Kali mur. [Kali-m]
When this is followed by coughing up of white or grayish mucus second stage.
Kali sulph. [Kali-s]
Bronchial catarrh, tongue yellow, feels better in the cool, open air.