Patent ID: 6955824

Claim:
A pharmaceutical powder composition suitable for inhalation comprising microfine particles of medicament and at least one preformed lactose pellet having a diameter of from about 10 to about 1500 micrometers, which pellet comprises a plurality of microfine lactose particles, wherein at least about 90% by weight of the microfine particles of lactose have a diameter of less than about 15 micrometers, and wherein the medicament is selected from the group consisting of codeine, dihydromorphine, ergotamine, fentanyl, morphine, diltiazem, cromoglycate, ketotifen, nedocromil, cephalosporins, penicillins, streptomycin, sulphonamides, tetracyclines, pentamidine, methapyrilene, budenoside, flunisolide, tipredane, triamcinolone acetonide, noscapine, ephedrine, adrenaline, fenoterol, formoterol, isoprenaline, metaproterenol, phenylephrine, phenylpropenolamine, pirbuterol, reproterol, rimeterol, terbutaline, isoetharine, tulobuterol, orciprenaline, (−)-4-amino-3,5-dichloro-a-[[[6-[-2-(2-pyridinyl)ethoxy]hexyl]-amino]methyl]benzenemethanol, amiloride, ipratropium, atropine, oxitropium, cortisone, hydrocortisone, prednisolone, aminophylline, choline theophyllinate, lysine theophyllinate, theophylline, salmeterol xinafoate, salbutamol sulfate, fluticasone propionate glucagon and any mixtures thereof.