" A pharmaceutical formulation " The present invention relates to a pharmaceutical formulation containing, an effective amount of 8-Hydroxy-5-[(lR)-l-hydroxy-2-[[(lR)-2-(4-methoxyphenyl)-l-methylethyl]amino]ethyl-2(lH)-quinolinone (compound A) and budesonide or an epimer thereof for simultaneous use in the treatment of an inflammatory or obstructive airways disease, wherein the effective amount of the compound (A) is the range from 0.5 µg to 2 µg per unit dose and the ratio by weight between compound A and budesonide or epimer thereof is from 1:1000 to 1:50.