Code R03 - drugs for obstructive airway diseases. ATC (Anatomic Therapeutic Chemical). Level 2

Level below

Code R03A

adrenergics, inhalants

Code R03B

other drugs for obstructive airway diseases, inhalants

Code R03C

adrenergics for systemic use

Code R03D

other systemic drugs for obstructive airway diseases

Level higher

Code R

respiratory system

ATC