Patent ID: 7462645

Claim:
A method of treating undesired and/or uncontrolled bronchoconstriction comprising the steps of: (a) adding to a nebulizer, from a propellant-free, sterile unit dose in pharmaceutical packaging material about 1 to about 3 mL of a pharmaceutical composition comprising formoterol or a salt thereof at a concentration of from about 0.08 μg/mL to about 43 μg/mL based on formoterol free base, in a pharmacologically suitable solution, wherein the composition further comprises water and a buffer selected from the group consisting of citric acid/phosphate buffer, acetate buffer, citrate buffer and phosphate buffer at a concentration of from about 1 mM to about 50 mM, said composition having a pH of between about 4.5 and about 5.5; and (b) directly administering said composition to a subject in need thereof, without dilution or other modification of said prior to administration.