Dry powder preparation, including (a) part of fine particles, (b) part of thick particles, and (c) dihydrate nicotinic acid formaldehyde and trace beclomethasone diol as active ingredients; dry powder inhaler; for prevention And/or treatment of asthma or chronic diseases.

摘要

The invention relates to a dry powder formulation comprising a corticosteroid and a beta 2 -adrenergic drug in combination, its process of preparation, and therapeutic uses thereof.